505489080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 1563851520

約数和(自身を除く): 1058362440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 163, 172, 215, 258, 326, 344, 430, 489, 516, 601, 645, 652, 815, 860, 978, 1032, 1202, 1290, 1304, 1630, 1720, 1803, 1956, 2404, 2445, 2580, 3005, 3260, 3606, 3912, 4808, 4890, 5160, 6010, 6520, 7009, 7212, 9015, 9780, 12020, 14018, 14424, 18030, 19560, 21027, 24040, 25843, 28036, 35045, 36060, 42054, 51686, 56072, 70090, 72120, 77529, 84108, 97963, 103372, 105135, 129215, 140180, 155058, 168216, 195926, 206744, 210270, 258430, 280360, 293889, 310116, 387645, 391852, 420540, 489815, 516860, 587778, 620232, 775290, 783704, 841080, 979630, 1033720, 1175556, 1469445, 1550580, 1959260, 2351112, 2938890, 3101160, 3918520, 4212409, 5877780, 8424818, 11755560, 12637227, 16849636, 21062045, 25274454, 33699272, 42124090, 50548908, 63186135, 84248180, 101097816, 126372270, 168496360, 252744540, 505489080]

約数ペア:

[(1, 505489080), (2, 252744540), (3, 168496360), (4, 126372270), (5, 101097816), (6, 84248180), (8, 63186135), (10, 50548908), (12, 42124090), (15, 33699272), (20, 25274454), (24, 21062045), (30, 16849636), (40, 12637227), (43, 11755560), (60, 8424818), (86, 5877780), (120, 4212409), (129, 3918520), (163, 3101160), (172, 2938890), (215, 2351112), (258, 1959260), (326, 1550580), (344, 1469445), (430, 1175556), (489, 1033720), (516, 979630), (601, 841080), (645, 783704), (652, 775290), (815, 620232), (860, 587778), (978, 516860), (1032, 489815), (1202, 420540), (1290, 391852), (1304, 387645), (1630, 310116), (1720, 293889), (1803, 280360), (1956, 258430), (2404, 210270), (2445, 206744), (2580, 195926), (3005, 168216), (3260, 155058), (3606, 140180), (3912, 129215), (4808, 105135), (4890, 103372), (5160, 97963), (6010, 84108), (6520, 77529), (7009, 72120), (7212, 70090), (9015, 56072), (9780, 51686), (12020, 42054), (14018, 36060), (14424, 35045), (18030, 28036), (19560, 25843), (21027, 24040)]