281137560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{571}}^1$

素因数の和:969

約数の個数: 128

約数和(自身を含む): 924168960

約数和(自身を除く): 643031400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 373, 440, 571, 660, 746, 1119, 1142, 1320, 1492, 1713, 1865, 2238, 2284, 2855, 2984, 3426, 3730, 4103, 4476, 4568, 5595, 5710, 6281, 6852, 7460, 8206, 8565, 8952, 11190, 11420, 12309, 12562, 13704, 14920, 16412, 17130, 18843, 20515, 22380, 22840, 24618, 25124, 31405, 32824, 34260, 37686, 41030, 44760, 49236, 50248, 61545, 62810, 68520, 75372, 82060, 94215, 98472, 123090, 125620, 150744, 164120, 188430, 212983, 246180, 251240, 376860, 425966, 492360, 638949, 753720, 851932, 1064915, 1277898, 1703864, 2129830, 2342813, 2555796, 3194745, 4259660, 4685626, 5111592, 6389490, 7028439, 8519320, 9371252, 11714065, 12778980, 14056878, 18742504, 23428130, 25557960, 28113756, 35142195, 46856260, 56227512, 70284390, 93712520, 140568780, 281137560]

約数ペア:

[(1, 281137560), (2, 140568780), (3, 93712520), (4, 70284390), (5, 56227512), (6, 46856260), (8, 35142195), (10, 28113756), (11, 25557960), (12, 23428130), (15, 18742504), (20, 14056878), (22, 12778980), (24, 11714065), (30, 9371252), (33, 8519320), (40, 7028439), (44, 6389490), (55, 5111592), (60, 4685626), (66, 4259660), (88, 3194745), (110, 2555796), (120, 2342813), (132, 2129830), (165, 1703864), (220, 1277898), (264, 1064915), (330, 851932), (373, 753720), (440, 638949), (571, 492360), (660, 425966), (746, 376860), (1119, 251240), (1142, 246180), (1320, 212983), (1492, 188430), (1713, 164120), (1865, 150744), (2238, 125620), (2284, 123090), (2855, 98472), (2984, 94215), (3426, 82060), (3730, 75372), (4103, 68520), (4476, 62810), (4568, 61545), (5595, 50248), (5710, 49236), (6281, 44760), (6852, 41030), (7460, 37686), (8206, 34260), (8565, 32824), (8952, 31405), (11190, 25124), (11420, 24618), (12309, 22840), (12562, 22380), (13704, 20515), (14920, 18843), (16412, 17130)]