64209750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 179891712

約数和(自身を除く): 115681962

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 43, 50, 55, 66, 75, 86, 110, 125, 129, 150, 165, 181, 215, 250, 258, 275, 330, 362, 375, 430, 473, 543, 550, 645, 750, 825, 905, 946, 1075, 1086, 1290, 1375, 1419, 1650, 1810, 1991, 2150, 2365, 2715, 2750, 2838, 3225, 3982, 4125, 4525, 4730, 5375, 5430, 5973, 6450, 7095, 7783, 8250, 9050, 9955, 10750, 11825, 11946, 13575, 14190, 15566, 16125, 19910, 22625, 23349, 23650, 27150, 29865, 32250, 35475, 38915, 45250, 46698, 49775, 59125, 59730, 67875, 70950, 77830, 85613, 99550, 116745, 118250, 135750, 149325, 171226, 177375, 194575, 233490, 248875, 256839, 298650, 354750, 389150, 428065, 497750, 513678, 583725, 746625, 856130, 972875, 1167450, 1284195, 1493250, 1945750, 2140325, 2568390, 2918625, 4280650, 5837250, 6420975, 10701625, 12841950, 21403250, 32104875, 64209750]

約数ペア:

[(1, 64209750), (2, 32104875), (3, 21403250), (5, 12841950), (6, 10701625), (10, 6420975), (11, 5837250), (15, 4280650), (22, 2918625), (25, 2568390), (30, 2140325), (33, 1945750), (43, 1493250), (50, 1284195), (55, 1167450), (66, 972875), (75, 856130), (86, 746625), (110, 583725), (125, 513678), (129, 497750), (150, 428065), (165, 389150), (181, 354750), (215, 298650), (250, 256839), (258, 248875), (275, 233490), (330, 194575), (362, 177375), (375, 171226), (430, 149325), (473, 135750), (543, 118250), (550, 116745), (645, 99550), (750, 85613), (825, 77830), (905, 70950), (946, 67875), (1075, 59730), (1086, 59125), (1290, 49775), (1375, 46698), (1419, 45250), (1650, 38915), (1810, 35475), (1991, 32250), (2150, 29865), (2365, 27150), (2715, 23650), (2750, 23349), (2838, 22625), (3225, 19910), (3982, 16125), (4125, 15566), (4525, 14190), (4730, 13575), (5375, 11946), (5430, 11825), (5973, 10750), (6450, 9955), (7095, 9050), (7783, 8250)]