259279040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:550

約数の個数: 112

約数和(自身を含む): 649589760

約数和(自身を除く): 390310720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 155, 160, 236, 248, 295, 310, 320, 443, 472, 496, 590, 620, 886, 944, 992, 1180, 1240, 1772, 1829, 1888, 1984, 2215, 2360, 2480, 3544, 3658, 3776, 4430, 4720, 4960, 7088, 7316, 8860, 9145, 9440, 9920, 13733, 14176, 14632, 17720, 18290, 18880, 26137, 27466, 28352, 29264, 35440, 36580, 52274, 54932, 58528, 68665, 70880, 73160, 104548, 109864, 117056, 130685, 137330, 141760, 146320, 209096, 219728, 261370, 274660, 292640, 418192, 439456, 522740, 549320, 585280, 810247, 836384, 878912, 1045480, 1098640, 1620494, 1672768, 2090960, 2197280, 3240988, 4051235, 4181920, 4394560, 6481976, 8102470, 8363840, 12963952, 16204940, 25927904, 32409880, 51855808, 64819760, 129639520, 259279040]

約数ペア:

[(1, 259279040), (2, 129639520), (4, 64819760), (5, 51855808), (8, 32409880), (10, 25927904), (16, 16204940), (20, 12963952), (31, 8363840), (32, 8102470), (40, 6481976), (59, 4394560), (62, 4181920), (64, 4051235), (80, 3240988), (118, 2197280), (124, 2090960), (155, 1672768), (160, 1620494), (236, 1098640), (248, 1045480), (295, 878912), (310, 836384), (320, 810247), (443, 585280), (472, 549320), (496, 522740), (590, 439456), (620, 418192), (886, 292640), (944, 274660), (992, 261370), (1180, 219728), (1240, 209096), (1772, 146320), (1829, 141760), (1888, 137330), (1984, 130685), (2215, 117056), (2360, 109864), (2480, 104548), (3544, 73160), (3658, 70880), (3776, 68665), (4430, 58528), (4720, 54932), (4960, 52274), (7088, 36580), (7316, 35440), (8860, 29264), (9145, 28352), (9440, 27466), (9920, 26137), (13733, 18880), (14176, 18290), (14632, 17720)]