6470940

素因数分解:

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

素因数の和:128

約数の個数: 144

約数和(自身を含む): 22063104

約数和(自身を除く): 15592164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 71, 84, 93, 98, 105, 124, 140, 142, 147, 155, 186, 196, 210, 213, 217, 245, 284, 294, 310, 355, 372, 420, 426, 434, 465, 490, 497, 588, 620, 651, 710, 735, 852, 868, 930, 980, 994, 1065, 1085, 1302, 1420, 1470, 1491, 1519, 1860, 1988, 2130, 2170, 2201, 2485, 2604, 2940, 2982, 3038, 3255, 3479, 4260, 4340, 4402, 4557, 4970, 5964, 6076, 6510, 6603, 6958, 7455, 7595, 8804, 9114, 9940, 10437, 11005, 13020, 13206, 13916, 14910, 15190, 15407, 17395, 18228, 20874, 22010, 22785, 26412, 29820, 30380, 30814, 33015, 34790, 41748, 44020, 45570, 46221, 52185, 61628, 66030, 69580, 77035, 91140, 92442, 104370, 107849, 132060, 154070, 184884, 208740, 215698, 231105, 308140, 323547, 431396, 462210, 539245, 647094, 924420, 1078490, 1294188, 1617735, 2156980, 3235470, 6470940]

約数ペア:

[(1, 6470940), (2, 3235470), (3, 2156980), (4, 1617735), (5, 1294188), (6, 1078490), (7, 924420), (10, 647094), (12, 539245), (14, 462210), (15, 431396), (20, 323547), (21, 308140), (28, 231105), (30, 215698), (31, 208740), (35, 184884), (42, 154070), (49, 132060), (60, 107849), (62, 104370), (70, 92442), (71, 91140), (84, 77035), (93, 69580), (98, 66030), (105, 61628), (124, 52185), (140, 46221), (142, 45570), (147, 44020), (155, 41748), (186, 34790), (196, 33015), (210, 30814), (213, 30380), (217, 29820), (245, 26412), (284, 22785), (294, 22010), (310, 20874), (355, 18228), (372, 17395), (420, 15407), (426, 15190), (434, 14910), (465, 13916), (490, 13206), (497, 13020), (588, 11005), (620, 10437), (651, 9940), (710, 9114), (735, 8804), (852, 7595), (868, 7455), (930, 6958), (980, 6603), (994, 6510), (1065, 6076), (1085, 5964), (1302, 4970), (1420, 4557), (1470, 4402), (1491, 4340), (1519, 4260), (1860, 3479), (1988, 3255), (2130, 3038), (2170, 2982), (2201, 2940), (2485, 2604)]