80271620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 212502528

約数和(自身を除く): 132230908

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 127, 130, 143, 169, 170, 187, 220, 221, 254, 260, 286, 338, 340, 374, 442, 508, 572, 635, 676, 715, 748, 845, 884, 935, 1105, 1270, 1397, 1430, 1651, 1690, 1859, 1870, 2159, 2210, 2431, 2540, 2794, 2860, 2873, 3302, 3380, 3718, 3740, 4318, 4420, 4862, 5588, 5746, 6604, 6985, 7436, 8255, 8636, 9295, 9724, 10795, 11492, 12155, 13970, 14365, 16510, 18161, 18590, 21463, 21590, 23749, 24310, 27940, 28067, 28730, 31603, 33020, 36322, 37180, 42926, 43180, 47498, 48620, 56134, 57460, 63206, 72644, 85852, 90805, 94996, 107315, 112268, 118745, 126412, 140335, 158015, 181610, 214630, 236093, 237490, 280670, 308737, 316030, 363220, 364871, 429260, 472186, 474980, 561340, 617474, 632060, 729742, 944372, 1180465, 1234948, 1459484, 1543685, 1824355, 2360930, 3087370, 3648710, 4013581, 4721860, 6174740, 7297420, 8027162, 16054324, 20067905, 40135810, 80271620]

約数ペア:

[(1, 80271620), (2, 40135810), (4, 20067905), (5, 16054324), (10, 8027162), (11, 7297420), (13, 6174740), (17, 4721860), (20, 4013581), (22, 3648710), (26, 3087370), (34, 2360930), (44, 1824355), (52, 1543685), (55, 1459484), (65, 1234948), (68, 1180465), (85, 944372), (110, 729742), (127, 632060), (130, 617474), (143, 561340), (169, 474980), (170, 472186), (187, 429260), (220, 364871), (221, 363220), (254, 316030), (260, 308737), (286, 280670), (338, 237490), (340, 236093), (374, 214630), (442, 181610), (508, 158015), (572, 140335), (635, 126412), (676, 118745), (715, 112268), (748, 107315), (845, 94996), (884, 90805), (935, 85852), (1105, 72644), (1270, 63206), (1397, 57460), (1430, 56134), (1651, 48620), (1690, 47498), (1859, 43180), (1870, 42926), (2159, 37180), (2210, 36322), (2431, 33020), (2540, 31603), (2794, 28730), (2860, 28067), (2873, 27940), (3302, 24310), (3380, 23749), (3718, 21590), (3740, 21463), (4318, 18590), (4420, 18161), (4862, 16510), (5588, 14365), (5746, 13970), (6604, 12155), (6985, 11492), (7436, 10795), (8255, 9724), (8636, 9295)]