78916500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 286191360

約数和(自身を除く): 207274860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 30, 36, 38, 39, 45, 50, 52, 57, 60, 65, 71, 75, 76, 78, 90, 95, 100, 114, 117, 125, 130, 142, 150, 156, 171, 180, 190, 195, 213, 225, 228, 234, 247, 250, 260, 284, 285, 300, 325, 342, 355, 375, 380, 390, 426, 450, 468, 475, 494, 500, 570, 585, 639, 650, 684, 710, 741, 750, 780, 852, 855, 900, 923, 950, 975, 988, 1065, 1125, 1140, 1170, 1235, 1278, 1300, 1349, 1420, 1425, 1482, 1500, 1625, 1710, 1775, 1846, 1900, 1950, 2130, 2223, 2250, 2340, 2375, 2470, 2556, 2698, 2769, 2850, 2925, 2964, 3195, 3250, 3420, 3550, 3692, 3705, 3900, 4047, 4260, 4275, 4446, 4500, 4615, 4750, 4875, 4940, 5325, 5396, 5538, 5700, 5850, 6175, 6390, 6500, 6745, 7100, 7125, 7410, 8094, 8307, 8550, 8875, 8892, 9230, 9500, 9750, 10650, 11076, 11115, 11700, 12141, 12350, 12780, 13490, 13845, 14250, 14625, 14820, 15975, 16188, 16614, 17100, 17537, 17750, 18460, 18525, 19500, 20235, 21300, 21375, 22230, 23075, 24282, 24700, 26625, 26980, 27690, 28500, 29250, 30875, 31950, 33228, 33725, 35074, 35500, 37050, 40470, 41535, 42750, 44460, 46150, 48564, 52611, 53250, 55380, 55575, 58500, 60705, 61750, 63900, 67450, 69225, 70148, 74100, 79875, 80940, 83070, 85500, 87685, 92300, 92625, 101175, 105222, 106500, 111150, 115375, 121410, 123500, 134900, 138450, 157833, 159750, 166140, 168625, 175370, 185250, 202350, 207675, 210444, 222300, 230750, 242820, 263055, 276900, 277875, 303525, 315666, 319500, 337250, 346125, 350740, 370500, 404700, 415350, 438425, 461500, 505875, 526110, 555750, 607050, 631332, 674500, 692250, 789165, 830700, 876850, 1011750, 1038375, 1052220, 1111500, 1214100, 1315275, 1384500, 1517625, 1578330, 1753700, 2023500, 2076750, 2192125, 2630550, 3035250, 3156660, 3945825, 4153500, 4384250, 5261100, 6070500, 6576375, 7891650, 8768500, 13152750, 15783300, 19729125, 26305500, 39458250, 78916500]

約数ペア:

[(1, 78916500), (2, 39458250), (3, 26305500), (4, 19729125), (5, 15783300), (6, 13152750), (9, 8768500), (10, 7891650), (12, 6576375), (13, 6070500), (15, 5261100), (18, 4384250), (19, 4153500), (20, 3945825), (25, 3156660), (26, 3035250), (30, 2630550), (36, 2192125), (38, 2076750), (39, 2023500), (45, 1753700), (50, 1578330), (52, 1517625), (57, 1384500), (60, 1315275), (65, 1214100), (71, 1111500), (75, 1052220), (76, 1038375), (78, 1011750), (90, 876850), (95, 830700), (100, 789165), (114, 692250), (117, 674500), (125, 631332), (130, 607050), (142, 555750), (150, 526110), (156, 505875), (171, 461500), (180, 438425), (190, 415350), (195, 404700), (213, 370500), (225, 350740), (228, 346125), (234, 337250), (247, 319500), (250, 315666), (260, 303525), (284, 277875), (285, 276900), (300, 263055), (325, 242820), (342, 230750), (355, 222300), (375, 210444), (380, 207675), (390, 202350), (426, 185250), (450, 175370), (468, 168625), (475, 166140), (494, 159750), (500, 157833), (570, 138450), (585, 134900), (639, 123500), (650, 121410), (684, 115375), (710, 111150), (741, 106500), (750, 105222), (780, 101175), (852, 92625), (855, 92300), (900, 87685), (923, 85500), (950, 83070), (975, 80940), (988, 79875), (1065, 74100), (1125, 70148), (1140, 69225), (1170, 67450), (1235, 63900), (1278, 61750), (1300, 60705), (1349, 58500), (1420, 55575), (1425, 55380), (1482, 53250), (1500, 52611), (1625, 48564), (1710, 46150), (1775, 44460), (1846, 42750), (1900, 41535), (1950, 40470), (2130, 37050), (2223, 35500), (2250, 35074), (2340, 33725), (2375, 33228), (2470, 31950), (2556, 30875), (2698, 29250), (2769, 28500), (2850, 27690), (2925, 26980), (2964, 26625), (3195, 24700), (3250, 24282), (3420, 23075), (3550, 22230), (3692, 21375), (3705, 21300), (3900, 20235), (4047, 19500), (4260, 18525), (4275, 18460), (4446, 17750), (4500, 17537), (4615, 17100), (4750, 16614), (4875, 16188), (4940, 15975), (5325, 14820), (5396, 14625), (5538, 14250), (5700, 13845), (5850, 13490), (6175, 12780), (6390, 12350), (6500, 12141), (6745, 11700), (7100, 11115), (7125, 11076), (7410, 10650), (8094, 9750), (8307, 9500), (8550, 9230), (8875, 8892)]