489045870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 1341204480

約数和(自身を除く): 852158610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 97, 135, 142, 194, 213, 263, 270, 291, 355, 426, 485, 526, 582, 639, 710, 789, 873, 970, 1065, 1278, 1315, 1455, 1578, 1746, 1917, 2130, 2367, 2619, 2630, 2910, 3195, 3834, 3945, 4365, 4734, 5238, 6390, 6887, 7101, 7890, 8730, 9585, 11835, 13095, 13774, 14202, 18673, 19170, 20661, 23670, 25511, 26190, 34435, 35505, 37346, 41322, 51022, 56019, 61983, 68870, 71010, 76533, 93365, 103305, 112038, 123966, 127555, 153066, 168057, 185949, 186730, 206610, 229599, 255110, 280095, 309915, 336114, 371898, 382665, 459198, 504171, 560190, 619830, 688797, 765330, 840285, 929745, 1008342, 1147995, 1377594, 1680570, 1811281, 1859490, 2295990, 2520855, 3443985, 3622562, 5041710, 5433843, 6887970, 9056405, 10867686, 16301529, 18112810, 27169215, 32603058, 48904587, 54338430, 81507645, 97809174, 163015290, 244522935, 489045870]

約数ペア:

[(1, 489045870), (2, 244522935), (3, 163015290), (5, 97809174), (6, 81507645), (9, 54338430), (10, 48904587), (15, 32603058), (18, 27169215), (27, 18112810), (30, 16301529), (45, 10867686), (54, 9056405), (71, 6887970), (90, 5433843), (97, 5041710), (135, 3622562), (142, 3443985), (194, 2520855), (213, 2295990), (263, 1859490), (270, 1811281), (291, 1680570), (355, 1377594), (426, 1147995), (485, 1008342), (526, 929745), (582, 840285), (639, 765330), (710, 688797), (789, 619830), (873, 560190), (970, 504171), (1065, 459198), (1278, 382665), (1315, 371898), (1455, 336114), (1578, 309915), (1746, 280095), (1917, 255110), (2130, 229599), (2367, 206610), (2619, 186730), (2630, 185949), (2910, 168057), (3195, 153066), (3834, 127555), (3945, 123966), (4365, 112038), (4734, 103305), (5238, 93365), (6390, 76533), (6887, 71010), (7101, 68870), (7890, 61983), (8730, 56019), (9585, 51022), (11835, 41322), (13095, 37346), (13774, 35505), (14202, 34435), (18673, 26190), (19170, 25511), (20661, 23670)]