1848840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 6635520

約数和(自身を除く): 4786680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 71, 84, 93, 105, 120, 124, 140, 142, 155, 168, 186, 210, 213, 217, 248, 280, 284, 310, 355, 372, 420, 426, 434, 465, 497, 568, 620, 651, 710, 744, 840, 852, 868, 930, 994, 1065, 1085, 1240, 1302, 1420, 1491, 1704, 1736, 1860, 1988, 2130, 2170, 2201, 2485, 2604, 2840, 2982, 3255, 3720, 3976, 4260, 4340, 4402, 4970, 5208, 5964, 6510, 6603, 7455, 8520, 8680, 8804, 9940, 11005, 11928, 13020, 13206, 14910, 15407, 17608, 19880, 22010, 26040, 26412, 29820, 30814, 33015, 44020, 46221, 52824, 59640, 61628, 66030, 77035, 88040, 92442, 123256, 132060, 154070, 184884, 231105, 264120, 308140, 369768, 462210, 616280, 924420, 1848840]

約数ペア:

[(1, 1848840), (2, 924420), (3, 616280), (4, 462210), (5, 369768), (6, 308140), (7, 264120), (8, 231105), (10, 184884), (12, 154070), (14, 132060), (15, 123256), (20, 92442), (21, 88040), (24, 77035), (28, 66030), (30, 61628), (31, 59640), (35, 52824), (40, 46221), (42, 44020), (56, 33015), (60, 30814), (62, 29820), (70, 26412), (71, 26040), (84, 22010), (93, 19880), (105, 17608), (120, 15407), (124, 14910), (140, 13206), (142, 13020), (155, 11928), (168, 11005), (186, 9940), (210, 8804), (213, 8680), (217, 8520), (248, 7455), (280, 6603), (284, 6510), (310, 5964), (355, 5208), (372, 4970), (420, 4402), (426, 4340), (434, 4260), (465, 3976), (497, 3720), (568, 3255), (620, 2982), (651, 2840), (710, 2604), (744, 2485), (840, 2201), (852, 2170), (868, 2130), (930, 1988), (994, 1860), (1065, 1736), (1085, 1704), (1240, 1491), (1302, 1420)]