154891620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1854

約数の個数: 144

約数和(自身を含む): 519944880

約数和(自身を除く): 365053260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1443, 1665, 1789, 1924, 2220, 2340, 2405, 2886, 3330, 3578, 4329, 4810, 5367, 5772, 6660, 7156, 7215, 8658, 8945, 9620, 10734, 14430, 16101, 17316, 17890, 21468, 21645, 23257, 26835, 28860, 32202, 35780, 43290, 46514, 53670, 64404, 66193, 69771, 80505, 86580, 93028, 107340, 116285, 132386, 139542, 161010, 198579, 209313, 232570, 264772, 279084, 322020, 330965, 348855, 397158, 418626, 465140, 595737, 661930, 697710, 794316, 837252, 860509, 992895, 1046565, 1191474, 1323860, 1395420, 1721018, 1985790, 2093130, 2382948, 2581527, 2978685, 3442036, 3971580, 4186260, 4302545, 5163054, 5957370, 7744581, 8605090, 10326108, 11914740, 12907635, 15489162, 17210180, 25815270, 30978324, 38722905, 51630540, 77445810, 154891620]

約数ペア:

[(1, 154891620), (2, 77445810), (3, 51630540), (4, 38722905), (5, 30978324), (6, 25815270), (9, 17210180), (10, 15489162), (12, 12907635), (13, 11914740), (15, 10326108), (18, 8605090), (20, 7744581), (26, 5957370), (30, 5163054), (36, 4302545), (37, 4186260), (39, 3971580), (45, 3442036), (52, 2978685), (60, 2581527), (65, 2382948), (74, 2093130), (78, 1985790), (90, 1721018), (111, 1395420), (117, 1323860), (130, 1191474), (148, 1046565), (156, 992895), (180, 860509), (185, 837252), (195, 794316), (222, 697710), (234, 661930), (260, 595737), (333, 465140), (370, 418626), (390, 397158), (444, 348855), (468, 330965), (481, 322020), (555, 279084), (585, 264772), (666, 232570), (740, 209313), (780, 198579), (962, 161010), (1110, 139542), (1170, 132386), (1332, 116285), (1443, 107340), (1665, 93028), (1789, 86580), (1924, 80505), (2220, 69771), (2340, 66193), (2405, 64404), (2886, 53670), (3330, 46514), (3578, 43290), (4329, 35780), (4810, 32202), (5367, 28860), (5772, 26835), (6660, 23257), (7156, 21645), (7215, 21468), (8658, 17890), (8945, 17316), (9620, 16101), (10734, 14430)]