168250020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 518235648

約数和(自身を除く): 349985628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 289, 310, 313, 340, 372, 465, 510, 527, 578, 620, 626, 867, 930, 939, 1020, 1054, 1156, 1252, 1445, 1565, 1581, 1734, 1860, 1878, 2108, 2635, 2890, 3130, 3162, 3468, 3756, 4335, 4695, 5270, 5321, 5780, 6260, 6324, 7905, 8670, 8959, 9390, 9703, 10540, 10642, 15810, 15963, 17340, 17918, 18780, 19406, 21284, 26605, 26877, 29109, 31620, 31926, 35836, 38812, 44795, 48515, 53210, 53754, 58218, 63852, 79815, 89590, 90457, 97030, 106420, 107508, 116436, 134385, 145545, 159630, 164951, 179180, 180914, 194060, 268770, 271371, 291090, 319260, 329902, 361828, 452285, 494853, 537540, 542742, 582180, 659804, 824755, 904570, 989706, 1085484, 1356855, 1649510, 1809140, 1979412, 2474265, 2713710, 2804167, 3299020, 4948530, 5427420, 5608334, 8412501, 9897060, 11216668, 14020835, 16825002, 28041670, 33650004, 42062505, 56083340, 84125010, 168250020]

約数ペア:

[(1, 168250020), (2, 84125010), (3, 56083340), (4, 42062505), (5, 33650004), (6, 28041670), (10, 16825002), (12, 14020835), (15, 11216668), (17, 9897060), (20, 8412501), (30, 5608334), (31, 5427420), (34, 4948530), (51, 3299020), (60, 2804167), (62, 2713710), (68, 2474265), (85, 1979412), (93, 1809140), (102, 1649510), (124, 1356855), (155, 1085484), (170, 989706), (186, 904570), (204, 824755), (255, 659804), (289, 582180), (310, 542742), (313, 537540), (340, 494853), (372, 452285), (465, 361828), (510, 329902), (527, 319260), (578, 291090), (620, 271371), (626, 268770), (867, 194060), (930, 180914), (939, 179180), (1020, 164951), (1054, 159630), (1156, 145545), (1252, 134385), (1445, 116436), (1565, 107508), (1581, 106420), (1734, 97030), (1860, 90457), (1878, 89590), (2108, 79815), (2635, 63852), (2890, 58218), (3130, 53754), (3162, 53210), (3468, 48515), (3756, 44795), (4335, 38812), (4695, 35836), (5270, 31926), (5321, 31620), (5780, 29109), (6260, 26877), (6324, 26605), (7905, 21284), (8670, 19406), (8959, 18780), (9390, 17918), (9703, 17340), (10540, 15963), (10642, 15810)]