309949080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5197}}^1$

素因数の和:5289

約数の個数: 128

約数和(自身を含む): 1077857280

約数和(自身を除く): 767908200

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, 2840, 2982, 3976, 4260, 4970, 5197, 5964, 7455, 8520, 9940, 10394, 11928, 14910, 15591, 19880, 20788, 25985, 29820, 31182, 36379, 41576, 51970, 59640, 62364, 72758, 77955, 103940, 109137, 124728, 145516, 155910, 181895, 207880, 218274, 291032, 311820, 363790, 368987, 436548, 545685, 623640, 727580, 737974, 873096, 1091370, 1106961, 1455160, 1475948, 1844935, 2182740, 2213922, 2582909, 2951896, 3689870, 4365480, 4427844, 5165818, 5534805, 7379740, 7748727, 8855688, 10331636, 11069610, 12914545, 14759480, 15497454, 20663272, 22139220, 25829090, 30994908, 38743635, 44278440, 51658180, 61989816, 77487270, 103316360, 154974540, 309949080]

約数ペア:

[(1, 309949080), (2, 154974540), (3, 103316360), (4, 77487270), (5, 61989816), (6, 51658180), (7, 44278440), (8, 38743635), (10, 30994908), (12, 25829090), (14, 22139220), (15, 20663272), (20, 15497454), (21, 14759480), (24, 12914545), (28, 11069610), (30, 10331636), (35, 8855688), (40, 7748727), (42, 7379740), (56, 5534805), (60, 5165818), (70, 4427844), (71, 4365480), (84, 3689870), (105, 2951896), (120, 2582909), (140, 2213922), (142, 2182740), (168, 1844935), (210, 1475948), (213, 1455160), (280, 1106961), (284, 1091370), (355, 873096), (420, 737974), (426, 727580), (497, 623640), (568, 545685), (710, 436548), (840, 368987), (852, 363790), (994, 311820), (1065, 291032), (1420, 218274), (1491, 207880), (1704, 181895), (1988, 155910), (2130, 145516), (2485, 124728), (2840, 109137), (2982, 103940), (3976, 77955), (4260, 72758), (4970, 62364), (5197, 59640), (5964, 51970), (7455, 41576), (8520, 36379), (9940, 31182), (10394, 29820), (11928, 25985), (14910, 20788), (15591, 19880)]