31620680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 95664240

約数和(自身を除く): 64043560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 73, 85, 91, 98, 104, 119, 130, 136, 140, 146, 170, 182, 196, 221, 238, 245, 260, 280, 292, 340, 364, 365, 392, 442, 455, 476, 490, 511, 520, 584, 595, 637, 680, 728, 730, 833, 884, 910, 949, 952, 980, 1022, 1105, 1190, 1241, 1274, 1460, 1547, 1666, 1768, 1820, 1898, 1960, 2044, 2210, 2380, 2482, 2548, 2555, 2920, 3094, 3185, 3332, 3577, 3640, 3796, 4088, 4165, 4420, 4745, 4760, 4964, 5096, 5110, 6188, 6205, 6370, 6643, 6664, 7154, 7592, 7735, 8330, 8687, 8840, 9490, 9928, 10220, 10829, 12376, 12410, 12740, 13286, 14308, 15470, 16133, 16660, 17374, 17885, 18980, 20440, 21658, 24820, 25480, 26572, 28616, 30940, 32266, 33215, 33320, 34748, 35770, 37960, 43316, 43435, 46501, 49640, 53144, 54145, 60809, 61880, 64532, 66430, 69496, 71540, 80665, 86632, 86870, 93002, 108290, 112931, 121618, 129064, 132860, 143080, 161330, 173740, 186004, 216580, 225862, 232505, 243236, 265720, 304045, 322660, 347480, 372008, 433160, 451724, 465010, 486472, 564655, 608090, 645320, 790517, 903448, 930020, 1129310, 1216180, 1581034, 1860040, 2258620, 2432360, 3162068, 3952585, 4517240, 6324136, 7905170, 15810340, 31620680]

約数ペア:

[(1, 31620680), (2, 15810340), (4, 7905170), (5, 6324136), (7, 4517240), (8, 3952585), (10, 3162068), (13, 2432360), (14, 2258620), (17, 1860040), (20, 1581034), (26, 1216180), (28, 1129310), (34, 930020), (35, 903448), (40, 790517), (49, 645320), (52, 608090), (56, 564655), (65, 486472), (68, 465010), (70, 451724), (73, 433160), (85, 372008), (91, 347480), (98, 322660), (104, 304045), (119, 265720), (130, 243236), (136, 232505), (140, 225862), (146, 216580), (170, 186004), (182, 173740), (196, 161330), (221, 143080), (238, 132860), (245, 129064), (260, 121618), (280, 112931), (292, 108290), (340, 93002), (364, 86870), (365, 86632), (392, 80665), (442, 71540), (455, 69496), (476, 66430), (490, 64532), (511, 61880), (520, 60809), (584, 54145), (595, 53144), (637, 49640), (680, 46501), (728, 43435), (730, 43316), (833, 37960), (884, 35770), (910, 34748), (949, 33320), (952, 33215), (980, 32266), (1022, 30940), (1105, 28616), (1190, 26572), (1241, 25480), (1274, 24820), (1460, 21658), (1547, 20440), (1666, 18980), (1768, 17885), (1820, 17374), (1898, 16660), (1960, 16133), (2044, 15470), (2210, 14308), (2380, 13286), (2482, 12740), (2548, 12410), (2555, 12376), (2920, 10829), (3094, 10220), (3185, 9928), (3332, 9490), (3577, 8840), (3640, 8687), (3796, 8330), (4088, 7735), (4165, 7592), (4420, 7154), (4745, 6664), (4760, 6643), (4964, 6370), (5096, 6205), (5110, 6188)]