398129640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1187

約数の個数: 128

約数和(自身を含む): 1238716800

約数和(自身を除く): 840587160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 59, 60, 106, 118, 120, 159, 177, 212, 236, 265, 295, 318, 354, 424, 472, 530, 590, 636, 708, 795, 885, 1060, 1061, 1180, 1272, 1416, 1590, 1770, 2120, 2122, 2360, 3127, 3180, 3183, 3540, 4244, 5305, 6254, 6360, 6366, 7080, 8488, 9381, 10610, 12508, 12732, 15635, 15915, 18762, 21220, 25016, 25464, 31270, 31830, 37524, 42440, 46905, 56233, 62540, 62599, 63660, 75048, 93810, 112466, 125080, 125198, 127320, 168699, 187620, 187797, 224932, 250396, 281165, 312995, 337398, 375240, 375594, 449864, 500792, 562330, 625990, 674796, 751188, 843495, 938985, 1124660, 1251980, 1349592, 1502376, 1686990, 1877970, 2249320, 2503960, 3317747, 3373980, 3755940, 6635494, 6747960, 7511880, 9953241, 13270988, 16588735, 19906482, 26541976, 33177470, 39812964, 49766205, 66354940, 79625928, 99532410, 132709880, 199064820, 398129640]

約数ペア:

[(1, 398129640), (2, 199064820), (3, 132709880), (4, 99532410), (5, 79625928), (6, 66354940), (8, 49766205), (10, 39812964), (12, 33177470), (15, 26541976), (20, 19906482), (24, 16588735), (30, 13270988), (40, 9953241), (53, 7511880), (59, 6747960), (60, 6635494), (106, 3755940), (118, 3373980), (120, 3317747), (159, 2503960), (177, 2249320), (212, 1877970), (236, 1686990), (265, 1502376), (295, 1349592), (318, 1251980), (354, 1124660), (424, 938985), (472, 843495), (530, 751188), (590, 674796), (636, 625990), (708, 562330), (795, 500792), (885, 449864), (1060, 375594), (1061, 375240), (1180, 337398), (1272, 312995), (1416, 281165), (1590, 250396), (1770, 224932), (2120, 187797), (2122, 187620), (2360, 168699), (3127, 127320), (3180, 125198), (3183, 125080), (3540, 112466), (4244, 93810), (5305, 75048), (6254, 63660), (6360, 62599), (6366, 62540), (7080, 56233), (8488, 46905), (9381, 42440), (10610, 37524), (12508, 31830), (12732, 31270), (15635, 25464), (15915, 25016), (18762, 21220)]