128055720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 256

約数和(自身を含む): 447068160

約数和(自身を除く): 319012440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 43, 46, 52, 60, 65, 69, 78, 83, 86, 92, 104, 115, 120, 129, 130, 138, 156, 166, 172, 184, 195, 215, 230, 249, 258, 260, 276, 299, 312, 332, 344, 345, 390, 415, 430, 460, 498, 516, 520, 552, 559, 598, 645, 664, 690, 780, 830, 860, 897, 920, 989, 996, 1032, 1079, 1118, 1196, 1245, 1290, 1380, 1495, 1560, 1660, 1677, 1720, 1794, 1909, 1978, 1992, 2158, 2236, 2392, 2490, 2580, 2760, 2795, 2967, 2990, 3237, 3320, 3354, 3569, 3588, 3818, 3956, 4316, 4472, 4485, 4945, 4980, 5160, 5395, 5590, 5727, 5934, 5980, 6474, 6708, 7138, 7176, 7636, 7912, 8385, 8632, 8970, 9545, 9890, 9960, 10707, 10790, 11180, 11454, 11868, 11960, 12857, 12948, 13416, 14276, 14835, 15272, 16185, 16770, 17845, 17940, 19090, 19780, 21414, 21580, 22360, 22908, 23736, 24817, 25714, 25896, 28552, 28635, 29670, 32370, 33540, 35690, 35880, 38180, 38571, 39560, 42828, 43160, 45816, 46397, 49634, 51428, 53535, 57270, 59340, 64285, 64740, 67080, 71380, 74451, 76360, 77142, 82087, 85656, 92794, 99268, 102856, 107070, 114540, 118680, 124085, 128570, 129480, 139191, 142760, 148902, 154284, 164174, 185588, 192855, 198536, 214140, 229080, 231985, 246261, 248170, 257140, 278382, 297804, 308568, 328348, 371176, 372255, 385710, 410435, 428280, 463970, 492522, 496340, 514280, 556764, 595608, 656696, 695955, 744510, 771420, 820870, 927940, 985044, 992680, 1067131, 1113528, 1231305, 1391910, 1489020, 1542840, 1641740, 1855880, 1970088, 2134262, 2462610, 2783820, 2978040, 3201393, 3283480, 4268524, 4925220, 5335655, 5567640, 6402786, 8537048, 9850440, 10671310, 12805572, 16006965, 21342620, 25611144, 32013930, 42685240, 64027860, 128055720]

約数ペア:

[(1, 128055720), (2, 64027860), (3, 42685240), (4, 32013930), (5, 25611144), (6, 21342620), (8, 16006965), (10, 12805572), (12, 10671310), (13, 9850440), (15, 8537048), (20, 6402786), (23, 5567640), (24, 5335655), (26, 4925220), (30, 4268524), (39, 3283480), (40, 3201393), (43, 2978040), (46, 2783820), (52, 2462610), (60, 2134262), (65, 1970088), (69, 1855880), (78, 1641740), (83, 1542840), (86, 1489020), (92, 1391910), (104, 1231305), (115, 1113528), (120, 1067131), (129, 992680), (130, 985044), (138, 927940), (156, 820870), (166, 771420), (172, 744510), (184, 695955), (195, 656696), (215, 595608), (230, 556764), (249, 514280), (258, 496340), (260, 492522), (276, 463970), (299, 428280), (312, 410435), (332, 385710), (344, 372255), (345, 371176), (390, 328348), (415, 308568), (430, 297804), (460, 278382), (498, 257140), (516, 248170), (520, 246261), (552, 231985), (559, 229080), (598, 214140), (645, 198536), (664, 192855), (690, 185588), (780, 164174), (830, 154284), (860, 148902), (897, 142760), (920, 139191), (989, 129480), (996, 128570), (1032, 124085), (1079, 118680), (1118, 114540), (1196, 107070), (1245, 102856), (1290, 99268), (1380, 92794), (1495, 85656), (1560, 82087), (1660, 77142), (1677, 76360), (1720, 74451), (1794, 71380), (1909, 67080), (1978, 64740), (1992, 64285), (2158, 59340), (2236, 57270), (2392, 53535), (2490, 51428), (2580, 49634), (2760, 46397), (2795, 45816), (2967, 43160), (2990, 42828), (3237, 39560), (3320, 38571), (3354, 38180), (3569, 35880), (3588, 35690), (3818, 33540), (3956, 32370), (4316, 29670), (4472, 28635), (4485, 28552), (4945, 25896), (4980, 25714), (5160, 24817), (5395, 23736), (5590, 22908), (5727, 22360), (5934, 21580), (5980, 21414), (6474, 19780), (6708, 19090), (7138, 17940), (7176, 17845), (7636, 16770), (7912, 16185), (8385, 15272), (8632, 14835), (8970, 14276), (9545, 13416), (9890, 12948), (9960, 12857), (10707, 11960), (10790, 11868), (11180, 11454)]