178809240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:793

約数の個数: 128

約数和(自身を含む): 562360320

約数和(自身を除く): 383551080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 71, 93, 120, 124, 142, 155, 186, 213, 248, 284, 310, 355, 372, 426, 465, 568, 620, 677, 710, 744, 852, 930, 1065, 1240, 1354, 1420, 1704, 1860, 2031, 2130, 2201, 2708, 2840, 3385, 3720, 4062, 4260, 4402, 5416, 6603, 6770, 8124, 8520, 8804, 10155, 11005, 13206, 13540, 16248, 17608, 20310, 20987, 22010, 26412, 27080, 33015, 40620, 41974, 44020, 48067, 52824, 62961, 66030, 81240, 83948, 88040, 96134, 104935, 125922, 132060, 144201, 167896, 192268, 209870, 240335, 251844, 264120, 288402, 314805, 384536, 419740, 480670, 503688, 576804, 629610, 721005, 839480, 961340, 1153608, 1259220, 1442010, 1490077, 1922680, 2518440, 2884020, 2980154, 4470231, 5768040, 5960308, 7450385, 8940462, 11920616, 14900770, 17880924, 22351155, 29801540, 35761848, 44702310, 59603080, 89404620, 178809240]

約数ペア:

[(1, 178809240), (2, 89404620), (3, 59603080), (4, 44702310), (5, 35761848), (6, 29801540), (8, 22351155), (10, 17880924), (12, 14900770), (15, 11920616), (20, 8940462), (24, 7450385), (30, 5960308), (31, 5768040), (40, 4470231), (60, 2980154), (62, 2884020), (71, 2518440), (93, 1922680), (120, 1490077), (124, 1442010), (142, 1259220), (155, 1153608), (186, 961340), (213, 839480), (248, 721005), (284, 629610), (310, 576804), (355, 503688), (372, 480670), (426, 419740), (465, 384536), (568, 314805), (620, 288402), (677, 264120), (710, 251844), (744, 240335), (852, 209870), (930, 192268), (1065, 167896), (1240, 144201), (1354, 132060), (1420, 125922), (1704, 104935), (1860, 96134), (2031, 88040), (2130, 83948), (2201, 81240), (2708, 66030), (2840, 62961), (3385, 52824), (3720, 48067), (4062, 44020), (4260, 41974), (4402, 40620), (5416, 33015), (6603, 27080), (6770, 26412), (8124, 22010), (8520, 20987), (8804, 20310), (10155, 17608), (11005, 16248), (13206, 13540)]