161445480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2799

約数の個数: 128

約数和(自身を含む): 561530880

約数和(自身を除く): 400085400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2707, 2840, 2982, 3976, 4260, 4970, 5414, 5964, 7455, 8121, 8520, 9940, 10828, 11928, 13535, 14910, 16242, 18949, 19880, 21656, 27070, 29820, 32484, 37898, 40605, 54140, 56847, 59640, 64968, 75796, 81210, 94745, 108280, 113694, 151592, 162420, 189490, 192197, 227388, 284235, 324840, 378980, 384394, 454776, 568470, 576591, 757960, 768788, 960985, 1136940, 1153182, 1345379, 1537576, 1921970, 2273880, 2306364, 2690758, 2882955, 3843940, 4036137, 4612728, 5381516, 5765910, 6726895, 7687880, 8072274, 10763032, 11531820, 13453790, 16144548, 20180685, 23063640, 26907580, 32289096, 40361370, 53815160, 80722740, 161445480]

約数ペア:

[(1, 161445480), (2, 80722740), (3, 53815160), (4, 40361370), (5, 32289096), (6, 26907580), (7, 23063640), (8, 20180685), (10, 16144548), (12, 13453790), (14, 11531820), (15, 10763032), (20, 8072274), (21, 7687880), (24, 6726895), (28, 5765910), (30, 5381516), (35, 4612728), (40, 4036137), (42, 3843940), (56, 2882955), (60, 2690758), (70, 2306364), (71, 2273880), (84, 1921970), (105, 1537576), (120, 1345379), (140, 1153182), (142, 1136940), (168, 960985), (210, 768788), (213, 757960), (280, 576591), (284, 568470), (355, 454776), (420, 384394), (426, 378980), (497, 324840), (568, 284235), (710, 227388), (840, 192197), (852, 189490), (994, 162420), (1065, 151592), (1420, 113694), (1491, 108280), (1704, 94745), (1988, 81210), (2130, 75796), (2485, 64968), (2707, 59640), (2840, 56847), (2982, 54140), (3976, 40605), (4260, 37898), (4970, 32484), (5414, 29820), (5964, 27070), (7455, 21656), (8121, 19880), (8520, 18949), (9940, 16242), (10828, 14910), (11928, 13535)]