71946160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 207486720

約数和(自身を除く): 135540560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 176, 190, 208, 209, 220, 247, 260, 286, 304, 331, 380, 418, 440, 494, 520, 572, 662, 715, 760, 836, 880, 988, 1040, 1045, 1144, 1235, 1324, 1430, 1520, 1655, 1672, 1976, 2090, 2288, 2470, 2648, 2717, 2860, 3310, 3344, 3641, 3952, 4180, 4303, 4940, 5296, 5434, 5720, 6289, 6620, 7282, 8360, 8606, 9880, 10868, 11440, 12578, 13240, 13585, 14564, 16720, 17212, 18205, 19760, 21515, 21736, 25156, 26480, 27170, 29128, 31445, 34424, 36410, 43030, 43472, 47333, 50312, 54340, 58256, 62890, 68848, 69179, 72820, 81757, 86060, 94666, 100624, 108680, 125780, 138358, 145640, 163514, 172120, 189332, 217360, 236665, 251560, 276716, 291280, 327028, 344240, 345895, 378664, 408785, 473330, 503120, 553432, 654056, 691790, 757328, 817570, 899327, 946660, 1106864, 1308112, 1383580, 1635140, 1798654, 1893320, 2767160, 3270280, 3597308, 3786640, 4496635, 5534320, 6540560, 7194616, 8993270, 14389232, 17986540, 35973080, 71946160]

約数ペア:

[(1, 71946160), (2, 35973080), (4, 17986540), (5, 14389232), (8, 8993270), (10, 7194616), (11, 6540560), (13, 5534320), (16, 4496635), (19, 3786640), (20, 3597308), (22, 3270280), (26, 2767160), (38, 1893320), (40, 1798654), (44, 1635140), (52, 1383580), (55, 1308112), (65, 1106864), (76, 946660), (80, 899327), (88, 817570), (95, 757328), (104, 691790), (110, 654056), (130, 553432), (143, 503120), (152, 473330), (176, 408785), (190, 378664), (208, 345895), (209, 344240), (220, 327028), (247, 291280), (260, 276716), (286, 251560), (304, 236665), (331, 217360), (380, 189332), (418, 172120), (440, 163514), (494, 145640), (520, 138358), (572, 125780), (662, 108680), (715, 100624), (760, 94666), (836, 86060), (880, 81757), (988, 72820), (1040, 69179), (1045, 68848), (1144, 62890), (1235, 58256), (1324, 54340), (1430, 50312), (1520, 47333), (1655, 43472), (1672, 43030), (1976, 36410), (2090, 34424), (2288, 31445), (2470, 29128), (2648, 27170), (2717, 26480), (2860, 25156), (3310, 21736), (3344, 21515), (3641, 19760), (3952, 18205), (4180, 17212), (4303, 16720), (4940, 14564), (5296, 13585), (5434, 13240), (5720, 12578), (6289, 11440), (6620, 10868), (7282, 9880), (8360, 8606)]