220489360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1041

約数の個数: 160

約数和(自身を含む): 651958272

約数和(自身を除く): 431468912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 977, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 1954, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 3908, 4030, 4340, 4885, 5642, 6448, 6839, 7280, 7816, 8060, 8680, 9770, 11284, 12701, 13678, 14105, 15632, 16120, 17360, 19540, 22568, 25402, 27356, 28210, 30287, 32240, 34195, 39080, 45136, 50804, 54712, 56420, 60574, 63505, 68390, 78160, 88907, 101608, 109424, 112840, 121148, 127010, 136780, 151435, 177814, 203216, 212009, 225680, 242296, 254020, 273560, 302870, 355628, 393731, 424018, 444535, 484592, 508040, 547120, 605740, 711256, 787462, 848036, 889070, 1016080, 1060045, 1211480, 1422512, 1574924, 1696072, 1778140, 1968655, 2120090, 2422960, 2756117, 3149848, 3392144, 3556280, 3937310, 4240180, 5512234, 6299696, 7112560, 7874620, 8480360, 11024468, 13780585, 15749240, 16960720, 22048936, 27561170, 31498480, 44097872, 55122340, 110244680, 220489360]

約数ペア:

[(1, 220489360), (2, 110244680), (4, 55122340), (5, 44097872), (7, 31498480), (8, 27561170), (10, 22048936), (13, 16960720), (14, 15749240), (16, 13780585), (20, 11024468), (26, 8480360), (28, 7874620), (31, 7112560), (35, 6299696), (40, 5512234), (52, 4240180), (56, 3937310), (62, 3556280), (65, 3392144), (70, 3149848), (80, 2756117), (91, 2422960), (104, 2120090), (112, 1968655), (124, 1778140), (130, 1696072), (140, 1574924), (155, 1422512), (182, 1211480), (208, 1060045), (217, 1016080), (248, 889070), (260, 848036), (280, 787462), (310, 711256), (364, 605740), (403, 547120), (434, 508040), (455, 484592), (496, 444535), (520, 424018), (560, 393731), (620, 355628), (728, 302870), (806, 273560), (868, 254020), (910, 242296), (977, 225680), (1040, 212009), (1085, 203216), (1240, 177814), (1456, 151435), (1612, 136780), (1736, 127010), (1820, 121148), (1954, 112840), (2015, 109424), (2170, 101608), (2480, 88907), (2821, 78160), (3224, 68390), (3472, 63505), (3640, 60574), (3908, 56420), (4030, 54712), (4340, 50804), (4885, 45136), (5642, 39080), (6448, 34195), (6839, 32240), (7280, 30287), (7816, 28210), (8060, 27356), (8680, 25402), (9770, 22568), (11284, 19540), (12701, 17360), (13678, 16120), (14105, 15632)]