71795680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 197016624

約数和(自身を除く): 125220944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 113, 152, 160, 176, 190, 209, 220, 226, 304, 352, 361, 380, 418, 440, 452, 565, 608, 722, 760, 836, 880, 904, 1045, 1130, 1243, 1444, 1520, 1672, 1760, 1805, 1808, 2090, 2147, 2260, 2486, 2888, 3040, 3344, 3610, 3616, 3971, 4180, 4294, 4520, 4972, 5776, 6215, 6688, 7220, 7942, 8360, 8588, 9040, 9944, 10735, 11552, 12430, 14440, 15884, 16720, 17176, 18080, 19855, 19888, 21470, 23617, 24860, 28880, 31768, 33440, 34352, 39710, 39776, 40793, 42940, 47234, 49720, 57760, 63536, 68704, 79420, 81586, 85880, 94468, 99440, 118085, 127072, 158840, 163172, 171760, 188936, 198880, 203965, 236170, 317680, 326344, 343520, 377872, 407930, 448723, 472340, 635360, 652688, 755744, 815860, 897446, 944680, 1305376, 1631720, 1794892, 1889360, 2243615, 3263440, 3589784, 3778720, 4487230, 6526880, 7179568, 8974460, 14359136, 17948920, 35897840, 71795680]

約数ペア:

[(1, 71795680), (2, 35897840), (4, 17948920), (5, 14359136), (8, 8974460), (10, 7179568), (11, 6526880), (16, 4487230), (19, 3778720), (20, 3589784), (22, 3263440), (32, 2243615), (38, 1889360), (40, 1794892), (44, 1631720), (55, 1305376), (76, 944680), (80, 897446), (88, 815860), (95, 755744), (110, 652688), (113, 635360), (152, 472340), (160, 448723), (176, 407930), (190, 377872), (209, 343520), (220, 326344), (226, 317680), (304, 236170), (352, 203965), (361, 198880), (380, 188936), (418, 171760), (440, 163172), (452, 158840), (565, 127072), (608, 118085), (722, 99440), (760, 94468), (836, 85880), (880, 81586), (904, 79420), (1045, 68704), (1130, 63536), (1243, 57760), (1444, 49720), (1520, 47234), (1672, 42940), (1760, 40793), (1805, 39776), (1808, 39710), (2090, 34352), (2147, 33440), (2260, 31768), (2486, 28880), (2888, 24860), (3040, 23617), (3344, 21470), (3610, 19888), (3616, 19855), (3971, 18080), (4180, 17176), (4294, 16720), (4520, 15884), (4972, 14440), (5776, 12430), (6215, 11552), (6688, 10735), (7220, 9944), (7942, 9040), (8360, 8588)]