31191160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 256

約数和(自身を含む): 101606400

約数和(自身を除く): 70415240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 40, 41, 44, 52, 55, 56, 65, 70, 76, 77, 82, 88, 91, 95, 104, 110, 130, 133, 140, 143, 152, 154, 164, 182, 190, 205, 209, 220, 247, 260, 266, 280, 286, 287, 308, 328, 364, 380, 385, 410, 418, 440, 451, 455, 494, 520, 532, 533, 572, 574, 616, 665, 715, 728, 760, 770, 779, 820, 836, 902, 910, 988, 1001, 1045, 1064, 1066, 1144, 1148, 1235, 1330, 1430, 1435, 1463, 1540, 1558, 1640, 1672, 1729, 1804, 1820, 1976, 2002, 2090, 2132, 2255, 2296, 2470, 2660, 2665, 2717, 2860, 2870, 2926, 3080, 3116, 3157, 3458, 3608, 3640, 3731, 3895, 4004, 4180, 4264, 4510, 4940, 5005, 5320, 5330, 5434, 5453, 5720, 5740, 5852, 5863, 6232, 6314, 6916, 7315, 7462, 7790, 8008, 8360, 8569, 8645, 9020, 9880, 10010, 10127, 10660, 10868, 10906, 11480, 11704, 11726, 12628, 13585, 13832, 14630, 14924, 15580, 15785, 17138, 17290, 18040, 18655, 19019, 20020, 20254, 21320, 21736, 21812, 23452, 25256, 27170, 27265, 29260, 29315, 29848, 31160, 31570, 34276, 34580, 37310, 38038, 40040, 40508, 41041, 42845, 43624, 46904, 50635, 54340, 54530, 58520, 58630, 59983, 63140, 68552, 69160, 70889, 74620, 76076, 81016, 82082, 85690, 95095, 101270, 108680, 109060, 111397, 117260, 119966, 126280, 141778, 149240, 152152, 164164, 171380, 190190, 202540, 205205, 218120, 222794, 234520, 239932, 283556, 299915, 328328, 342760, 354445, 380380, 405080, 410410, 445588, 479864, 556985, 567112, 599830, 708890, 760760, 779779, 820820, 891176, 1113970, 1199660, 1417780, 1559558, 1641640, 2227940, 2399320, 2835560, 3119116, 3898895, 4455880, 6238232, 7797790, 15595580, 31191160]

約数ペア:

[(1, 31191160), (2, 15595580), (4, 7797790), (5, 6238232), (7, 4455880), (8, 3898895), (10, 3119116), (11, 2835560), (13, 2399320), (14, 2227940), (19, 1641640), (20, 1559558), (22, 1417780), (26, 1199660), (28, 1113970), (35, 891176), (38, 820820), (40, 779779), (41, 760760), (44, 708890), (52, 599830), (55, 567112), (56, 556985), (65, 479864), (70, 445588), (76, 410410), (77, 405080), (82, 380380), (88, 354445), (91, 342760), (95, 328328), (104, 299915), (110, 283556), (130, 239932), (133, 234520), (140, 222794), (143, 218120), (152, 205205), (154, 202540), (164, 190190), (182, 171380), (190, 164164), (205, 152152), (209, 149240), (220, 141778), (247, 126280), (260, 119966), (266, 117260), (280, 111397), (286, 109060), (287, 108680), (308, 101270), (328, 95095), (364, 85690), (380, 82082), (385, 81016), (410, 76076), (418, 74620), (440, 70889), (451, 69160), (455, 68552), (494, 63140), (520, 59983), (532, 58630), (533, 58520), (572, 54530), (574, 54340), (616, 50635), (665, 46904), (715, 43624), (728, 42845), (760, 41041), (770, 40508), (779, 40040), (820, 38038), (836, 37310), (902, 34580), (910, 34276), (988, 31570), (1001, 31160), (1045, 29848), (1064, 29315), (1066, 29260), (1144, 27265), (1148, 27170), (1235, 25256), (1330, 23452), (1430, 21812), (1435, 21736), (1463, 21320), (1540, 20254), (1558, 20020), (1640, 19019), (1672, 18655), (1729, 18040), (1804, 17290), (1820, 17138), (1976, 15785), (2002, 15580), (2090, 14924), (2132, 14630), (2255, 13832), (2296, 13585), (2470, 12628), (2660, 11726), (2665, 11704), (2717, 11480), (2860, 10906), (2870, 10868), (2926, 10660), (3080, 10127), (3116, 10010), (3157, 9880), (3458, 9020), (3608, 8645), (3640, 8569), (3731, 8360), (3895, 8008), (4004, 7790), (4180, 7462), (4264, 7315), (4510, 6916), (4940, 6314), (5005, 6232), (5320, 5863), (5330, 5852), (5434, 5740), (5453, 5720)]