318309240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2173

約数の個数: 128

約数和(自身を含む): 1010257920

約数和(自身を除く): 691948680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 465, 492, 615, 620, 744, 820, 930, 984, 1230, 1240, 1271, 1640, 1860, 2087, 2460, 2542, 3720, 3813, 4174, 4920, 5084, 6261, 6355, 7626, 8348, 10168, 10435, 12522, 12710, 15252, 16696, 19065, 20870, 25044, 25420, 30504, 31305, 38130, 41740, 50088, 50840, 62610, 64697, 76260, 83480, 85567, 125220, 129394, 152520, 171134, 194091, 250440, 256701, 258788, 323485, 342268, 388182, 427835, 513402, 517576, 646970, 684536, 776364, 855670, 970455, 1026804, 1283505, 1293940, 1552728, 1711340, 1940910, 2053608, 2567010, 2587880, 2652577, 3422680, 3881820, 5134020, 5305154, 7763640, 7957731, 10268040, 10610308, 13262885, 15915462, 21220616, 26525770, 31830924, 39788655, 53051540, 63661848, 79577310, 106103080, 159154620, 318309240]

約数ペア:

[(1, 318309240), (2, 159154620), (3, 106103080), (4, 79577310), (5, 63661848), (6, 53051540), (8, 39788655), (10, 31830924), (12, 26525770), (15, 21220616), (20, 15915462), (24, 13262885), (30, 10610308), (31, 10268040), (40, 7957731), (41, 7763640), (60, 5305154), (62, 5134020), (82, 3881820), (93, 3422680), (120, 2652577), (123, 2587880), (124, 2567010), (155, 2053608), (164, 1940910), (186, 1711340), (205, 1552728), (246, 1293940), (248, 1283505), (310, 1026804), (328, 970455), (372, 855670), (410, 776364), (465, 684536), (492, 646970), (615, 517576), (620, 513402), (744, 427835), (820, 388182), (930, 342268), (984, 323485), (1230, 258788), (1240, 256701), (1271, 250440), (1640, 194091), (1860, 171134), (2087, 152520), (2460, 129394), (2542, 125220), (3720, 85567), (3813, 83480), (4174, 76260), (4920, 64697), (5084, 62610), (6261, 50840), (6355, 50088), (7626, 41740), (8348, 38130), (10168, 31305), (10435, 30504), (12522, 25420), (12710, 25044), (15252, 20870), (16696, 19065)]