2267720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 6463800

約数和(自身を除く): 4196080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 89, 91, 98, 104, 130, 140, 178, 182, 196, 245, 260, 280, 356, 364, 392, 445, 455, 490, 520, 623, 637, 712, 728, 890, 910, 980, 1157, 1246, 1274, 1780, 1820, 1960, 2314, 2492, 2548, 3115, 3185, 3560, 3640, 4361, 4628, 4984, 5096, 5785, 6230, 6370, 8099, 8722, 9256, 11570, 12460, 12740, 16198, 17444, 21805, 23140, 24920, 25480, 32396, 34888, 40495, 43610, 46280, 56693, 64792, 80990, 87220, 113386, 161980, 174440, 226772, 283465, 323960, 453544, 566930, 1133860, 2267720]

約数ペア:

[(1, 2267720), (2, 1133860), (4, 566930), (5, 453544), (7, 323960), (8, 283465), (10, 226772), (13, 174440), (14, 161980), (20, 113386), (26, 87220), (28, 80990), (35, 64792), (40, 56693), (49, 46280), (52, 43610), (56, 40495), (65, 34888), (70, 32396), (89, 25480), (91, 24920), (98, 23140), (104, 21805), (130, 17444), (140, 16198), (178, 12740), (182, 12460), (196, 11570), (245, 9256), (260, 8722), (280, 8099), (356, 6370), (364, 6230), (392, 5785), (445, 5096), (455, 4984), (490, 4628), (520, 4361), (623, 3640), (637, 3560), (712, 3185), (728, 3115), (890, 2548), (910, 2492), (980, 2314), (1157, 1960), (1246, 1820), (1274, 1780)]