20165521500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:738

約数の個数: 288

約数和(自身を含む): 65251630080

約数和(自身を除く): 45086108580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 59, 60, 75, 90, 100, 118, 125, 150, 151, 177, 180, 225, 236, 250, 295, 300, 302, 354, 375, 450, 453, 500, 503, 531, 590, 604, 708, 750, 755, 885, 900, 906, 1006, 1062, 1125, 1180, 1359, 1475, 1500, 1509, 1510, 1770, 1812, 2012, 2124, 2250, 2265, 2515, 2655, 2718, 2950, 3018, 3020, 3540, 3775, 4425, 4500, 4527, 4530, 5030, 5310, 5436, 5900, 6036, 6795, 7375, 7545, 7550, 8850, 8909, 9054, 9060, 10060, 10620, 11325, 12575, 13275, 13590, 14750, 15090, 15100, 17700, 17818, 18108, 18875, 22125, 22635, 22650, 25150, 26550, 26727, 27180, 29500, 29677, 30180, 33975, 35636, 37725, 37750, 44250, 44545, 45270, 45300, 50300, 53100, 53454, 56625, 59354, 62875, 66375, 67950, 75450, 75500, 75953, 80181, 88500, 89031, 89090, 90540, 106908, 113175, 113250, 118708, 125750, 132750, 133635, 135900, 148385, 150900, 151906, 160362, 169875, 178062, 178180, 188625, 222725, 226350, 226500, 227859, 251500, 265500, 267093, 267270, 296770, 303812, 320724, 339750, 356124, 377250, 379765, 400905, 445155, 445450, 452700, 455718, 534186, 534540, 565875, 593540, 668175, 679500, 683577, 741925, 754500, 759530, 801810, 890310, 890900, 911436, 1068372, 1113625, 1131750, 1139295, 1335465, 1336350, 1367154, 1483850, 1519060, 1603620, 1780620, 1898825, 2004525, 2225775, 2227250, 2263500, 2278590, 2670930, 2672700, 2734308, 2967700, 3340875, 3417885, 3709625, 3797650, 4009050, 4451550, 4454500, 4481227, 4557180, 5341860, 5696475, 6677325, 6681750, 6835770, 7419250, 7595300, 8018100, 8903100, 8962454, 9494125, 10022625, 11128875, 11392950, 13354650, 13363500, 13443681, 13671540, 14838500, 17089425, 17924908, 18988250, 20045250, 22257750, 22406135, 22785900, 26709300, 26887362, 28482375, 33386625, 34178850, 37976500, 40090500, 40331043, 44515500, 44812270, 53774724, 56964750, 66773250, 67218405, 68357700, 80662086, 85447125, 89624540, 112030675, 113929500, 133546500, 134436810, 161324172, 170894250, 201655215, 224061350, 268873620, 336092025, 341788500, 403310430, 448122700, 560153375, 672184050, 806620860, 1008276075, 1120306750, 1344368100, 1680460125, 2016552150, 2240613500, 3360920250, 4033104300, 5041380375, 6721840500, 10082760750, 20165521500]

約数ペア:

[(1, 20165521500), (2, 10082760750), (3, 6721840500), (4, 5041380375), (5, 4033104300), (6, 3360920250), (9, 2240613500), (10, 2016552150), (12, 1680460125), (15, 1344368100), (18, 1120306750), (20, 1008276075), (25, 806620860), (30, 672184050), (36, 560153375), (45, 448122700), (50, 403310430), (59, 341788500), (60, 336092025), (75, 268873620), (90, 224061350), (100, 201655215), (118, 170894250), (125, 161324172), (150, 134436810), (151, 133546500), (177, 113929500), (180, 112030675), (225, 89624540), (236, 85447125), (250, 80662086), (295, 68357700), (300, 67218405), (302, 66773250), (354, 56964750), (375, 53774724), (450, 44812270), (453, 44515500), (500, 40331043), (503, 40090500), (531, 37976500), (590, 34178850), (604, 33386625), (708, 28482375), (750, 26887362), (755, 26709300), (885, 22785900), (900, 22406135), (906, 22257750), (1006, 20045250), (1062, 18988250), (1125, 17924908), (1180, 17089425), (1359, 14838500), (1475, 13671540), (1500, 13443681), (1509, 13363500), (1510, 13354650), (1770, 11392950), (1812, 11128875), (2012, 10022625), (2124, 9494125), (2250, 8962454), (2265, 8903100), (2515, 8018100), (2655, 7595300), (2718, 7419250), (2950, 6835770), (3018, 6681750), (3020, 6677325), (3540, 5696475), (3775, 5341860), (4425, 4557180), (4500, 4481227), (4527, 4454500), (4530, 4451550), (5030, 4009050), (5310, 3797650), (5436, 3709625), (5900, 3417885), (6036, 3340875), (6795, 2967700), (7375, 2734308), (7545, 2672700), (7550, 2670930), (8850, 2278590), (8909, 2263500), (9054, 2227250), (9060, 2225775), (10060, 2004525), (10620, 1898825), (11325, 1780620), (12575, 1603620), (13275, 1519060), (13590, 1483850), (14750, 1367154), (15090, 1336350), (15100, 1335465), (17700, 1139295), (17818, 1131750), (18108, 1113625), (18875, 1068372), (22125, 911436), (22635, 890900), (22650, 890310), (25150, 801810), (26550, 759530), (26727, 754500), (27180, 741925), (29500, 683577), (29677, 679500), (30180, 668175), (33975, 593540), (35636, 565875), (37725, 534540), (37750, 534186), (44250, 455718), (44545, 452700), (45270, 445450), (45300, 445155), (50300, 400905), (53100, 379765), (53454, 377250), (56625, 356124), (59354, 339750), (62875, 320724), (66375, 303812), (67950, 296770), (75450, 267270), (75500, 267093), (75953, 265500), (80181, 251500), (88500, 227859), (89031, 226500), (89090, 226350), (90540, 222725), (106908, 188625), (113175, 178180), (113250, 178062), (118708, 169875), (125750, 160362), (132750, 151906), (133635, 150900), (135900, 148385)]