90657240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 281318400

約数和(自身を除く): 190661160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 79, 120, 131, 146, 158, 219, 237, 262, 292, 316, 365, 393, 395, 438, 474, 524, 584, 632, 655, 730, 786, 790, 876, 948, 1048, 1095, 1185, 1310, 1460, 1572, 1580, 1752, 1896, 1965, 2190, 2370, 2620, 2920, 3144, 3160, 3930, 4380, 4740, 5240, 5767, 7860, 8760, 9480, 9563, 10349, 11534, 15720, 17301, 19126, 20698, 23068, 28689, 28835, 31047, 34602, 38252, 41396, 46136, 47815, 51745, 57378, 57670, 62094, 69204, 76504, 82792, 86505, 95630, 103490, 114756, 115340, 124188, 138408, 143445, 155235, 173010, 191260, 206980, 229512, 230680, 248376, 286890, 310470, 346020, 382520, 413960, 573780, 620940, 692040, 755477, 1147560, 1241880, 1510954, 2266431, 3021908, 3777385, 4532862, 6043816, 7554770, 9065724, 11332155, 15109540, 18131448, 22664310, 30219080, 45328620, 90657240]

約数ペア:

[(1, 90657240), (2, 45328620), (3, 30219080), (4, 22664310), (5, 18131448), (6, 15109540), (8, 11332155), (10, 9065724), (12, 7554770), (15, 6043816), (20, 4532862), (24, 3777385), (30, 3021908), (40, 2266431), (60, 1510954), (73, 1241880), (79, 1147560), (120, 755477), (131, 692040), (146, 620940), (158, 573780), (219, 413960), (237, 382520), (262, 346020), (292, 310470), (316, 286890), (365, 248376), (393, 230680), (395, 229512), (438, 206980), (474, 191260), (524, 173010), (584, 155235), (632, 143445), (655, 138408), (730, 124188), (786, 115340), (790, 114756), (876, 103490), (948, 95630), (1048, 86505), (1095, 82792), (1185, 76504), (1310, 69204), (1460, 62094), (1572, 57670), (1580, 57378), (1752, 51745), (1896, 47815), (1965, 46136), (2190, 41396), (2370, 38252), (2620, 34602), (2920, 31047), (3144, 28835), (3160, 28689), (3930, 23068), (4380, 20698), (4740, 19126), (5240, 17301), (5767, 15720), (7860, 11534), (8760, 10349), (9480, 9563)]