440978720

素因数分解:

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

素因数の和:1043

約数の個数: 192

約数和(自身を含む): 1324947456

約数和(自身を除く): 883968736

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 977, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1954, 2015, 2080, 2170, 2480, 2821, 2912, 3224, 3472, 3640, 3908, 4030, 4340, 4885, 4960, 5642, 6448, 6839, 6944, 7280, 7816, 8060, 8680, 9770, 11284, 12701, 12896, 13678, 14105, 14560, 15632, 16120, 17360, 19540, 22568, 25402, 27356, 28210, 30287, 31264, 32240, 34195, 34720, 39080, 45136, 50804, 54712, 56420, 60574, 63505, 64480, 68390, 78160, 88907, 90272, 101608, 109424, 112840, 121148, 127010, 136780, 151435, 156320, 177814, 203216, 212009, 218848, 225680, 242296, 254020, 273560, 302870, 355628, 393731, 406432, 424018, 444535, 451360, 484592, 508040, 547120, 605740, 711256, 787462, 848036, 889070, 969184, 1016080, 1060045, 1094240, 1211480, 1422512, 1574924, 1696072, 1778140, 1968655, 2032160, 2120090, 2422960, 2756117, 2845024, 3149848, 3392144, 3556280, 3937310, 4240180, 4845920, 5512234, 6299696, 6784288, 7112560, 7874620, 8480360, 11024468, 12599392, 13780585, 14225120, 15749240, 16960720, 22048936, 27561170, 31498480, 33921440, 44097872, 55122340, 62996960, 88195744, 110244680, 220489360, 440978720]

約数ペア:

[(1, 440978720), (2, 220489360), (4, 110244680), (5, 88195744), (7, 62996960), (8, 55122340), (10, 44097872), (13, 33921440), (14, 31498480), (16, 27561170), (20, 22048936), (26, 16960720), (28, 15749240), (31, 14225120), (32, 13780585), (35, 12599392), (40, 11024468), (52, 8480360), (56, 7874620), (62, 7112560), (65, 6784288), (70, 6299696), (80, 5512234), (91, 4845920), (104, 4240180), (112, 3937310), (124, 3556280), (130, 3392144), (140, 3149848), (155, 2845024), (160, 2756117), (182, 2422960), (208, 2120090), (217, 2032160), (224, 1968655), (248, 1778140), (260, 1696072), (280, 1574924), (310, 1422512), (364, 1211480), (403, 1094240), (416, 1060045), (434, 1016080), (455, 969184), (496, 889070), (520, 848036), (560, 787462), (620, 711256), (728, 605740), (806, 547120), (868, 508040), (910, 484592), (977, 451360), (992, 444535), (1040, 424018), (1085, 406432), (1120, 393731), (1240, 355628), (1456, 302870), (1612, 273560), (1736, 254020), (1820, 242296), (1954, 225680), (2015, 218848), (2080, 212009), (2170, 203216), (2480, 177814), (2821, 156320), (2912, 151435), (3224, 136780), (3472, 127010), (3640, 121148), (3908, 112840), (4030, 109424), (4340, 101608), (4885, 90272), (4960, 88907), (5642, 78160), (6448, 68390), (6839, 64480), (6944, 63505), (7280, 60574), (7816, 56420), (8060, 54712), (8680, 50804), (9770, 45136), (11284, 39080), (12701, 34720), (12896, 34195), (13678, 32240), (14105, 31264), (14560, 30287), (15632, 28210), (16120, 27356), (17360, 25402), (19540, 22568)]