80435740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2749}}^1$

素因数の和:2795

約数の個数: 96

約数和(自身を含む): 221760000

約数和(自身を除く): 141324260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2660, 2749, 2926, 4180, 5498, 5852, 7315, 10996, 13745, 14630, 19243, 27490, 29260, 30239, 38486, 52231, 54980, 60478, 76972, 96215, 104462, 120956, 151195, 192430, 208924, 211673, 261155, 302390, 365617, 384860, 423346, 522310, 574541, 604780, 731234, 846692, 1044620, 1058365, 1149082, 1462468, 1828085, 2116730, 2298164, 2872705, 3656170, 4021787, 4233460, 5745410, 7312340, 8043574, 11490820, 16087148, 20108935, 40217870, 80435740]

約数ペア:

[(1, 80435740), (2, 40217870), (4, 20108935), (5, 16087148), (7, 11490820), (10, 8043574), (11, 7312340), (14, 5745410), (19, 4233460), (20, 4021787), (22, 3656170), (28, 2872705), (35, 2298164), (38, 2116730), (44, 1828085), (55, 1462468), (70, 1149082), (76, 1058365), (77, 1044620), (95, 846692), (110, 731234), (133, 604780), (140, 574541), (154, 522310), (190, 423346), (209, 384860), (220, 365617), (266, 302390), (308, 261155), (380, 211673), (385, 208924), (418, 192430), (532, 151195), (665, 120956), (770, 104462), (836, 96215), (1045, 76972), (1330, 60478), (1463, 54980), (1540, 52231), (2090, 38486), (2660, 30239), (2749, 29260), (2926, 27490), (4180, 19243), (5498, 14630), (5852, 13745), (7315, 10996)]