127620180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22871}}^1$

素因数の和:22917

約数の個数: 72

約数和(自身を含む): 399619584

約数和(自身を除く): 271999404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 22871, 45742, 68613, 91484, 114355, 137226, 205839, 228710, 274452, 343065, 411678, 457420, 686130, 709001, 823356, 1029195, 1372260, 1418002, 2058390, 2127003, 2836004, 3545005, 4116780, 4254006, 6381009, 7090010, 8508012, 10635015, 12762018, 14180020, 21270030, 25524036, 31905045, 42540060, 63810090, 127620180]

約数ペア:

[(1, 127620180), (2, 63810090), (3, 42540060), (4, 31905045), (5, 25524036), (6, 21270030), (9, 14180020), (10, 12762018), (12, 10635015), (15, 8508012), (18, 7090010), (20, 6381009), (30, 4254006), (31, 4116780), (36, 3545005), (45, 2836004), (60, 2127003), (62, 2058390), (90, 1418002), (93, 1372260), (124, 1029195), (155, 823356), (180, 709001), (186, 686130), (279, 457420), (310, 411678), (372, 343065), (465, 274452), (558, 228710), (620, 205839), (930, 137226), (1116, 114355), (1395, 91484), (1860, 68613), (2790, 45742), (5580, 22871)]