18487995760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{5261}}^1$

素因数の和:5427

約数の個数: 160

約数和(自身を含む): 48231912960

約数和(自身を除く): 29743917200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 109, 124, 130, 155, 208, 218, 248, 260, 310, 403, 436, 496, 520, 545, 620, 806, 872, 1040, 1090, 1240, 1417, 1612, 1744, 2015, 2180, 2480, 2834, 3224, 3379, 4030, 4360, 5261, 5668, 6448, 6758, 7085, 8060, 8720, 10522, 11336, 13516, 14170, 16120, 16895, 21044, 22672, 26305, 27032, 28340, 32240, 33790, 42088, 43927, 52610, 54064, 56680, 67580, 68393, 84176, 87854, 105220, 113360, 135160, 136786, 163091, 175708, 210440, 219635, 270320, 273572, 326182, 341965, 351416, 420880, 439270, 547144, 573449, 652364, 683930, 702832, 815455, 878540, 1094288, 1146898, 1304728, 1367860, 1630910, 1757080, 2120183, 2293796, 2609456, 2735720, 2867245, 3261820, 3514160, 4240366, 4587592, 5471440, 5734490, 6523640, 7454837, 8480732, 9175184, 10600915, 11468980, 13047280, 14909674, 16961464, 17776919, 21201830, 22937960, 29819348, 33922928, 35553838, 37274185, 42403660, 45875920, 59638696, 71107676, 74548370, 84807320, 88884595, 119277392, 142215352, 149096740, 169614640, 177769190, 231099947, 284430704, 298193480, 355538380, 462199894, 596386960, 711076760, 924399788, 1155499735, 1422153520, 1848799576, 2310999470, 3697599152, 4621998940, 9243997880, 18487995760]

約数ペア:

[(1, 18487995760), (2, 9243997880), (4, 4621998940), (5, 3697599152), (8, 2310999470), (10, 1848799576), (13, 1422153520), (16, 1155499735), (20, 924399788), (26, 711076760), (31, 596386960), (40, 462199894), (52, 355538380), (62, 298193480), (65, 284430704), (80, 231099947), (104, 177769190), (109, 169614640), (124, 149096740), (130, 142215352), (155, 119277392), (208, 88884595), (218, 84807320), (248, 74548370), (260, 71107676), (310, 59638696), (403, 45875920), (436, 42403660), (496, 37274185), (520, 35553838), (545, 33922928), (620, 29819348), (806, 22937960), (872, 21201830), (1040, 17776919), (1090, 16961464), (1240, 14909674), (1417, 13047280), (1612, 11468980), (1744, 10600915), (2015, 9175184), (2180, 8480732), (2480, 7454837), (2834, 6523640), (3224, 5734490), (3379, 5471440), (4030, 4587592), (4360, 4240366), (5261, 3514160), (5668, 3261820), (6448, 2867245), (6758, 2735720), (7085, 2609456), (8060, 2293796), (8720, 2120183), (10522, 1757080), (11336, 1630910), (13516, 1367860), (14170, 1304728), (16120, 1146898), (16895, 1094288), (21044, 878540), (22672, 815455), (26305, 702832), (27032, 683930), (28340, 652364), (32240, 573449), (33790, 547144), (42088, 439270), (43927, 420880), (52610, 351416), (54064, 341965), (56680, 326182), (67580, 273572), (68393, 270320), (84176, 219635), (87854, 210440), (105220, 175708), (113360, 163091), (135160, 136786)]