161180780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 371589120

約数和(自身を除く): 210408340

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 89, 92, 115, 124, 127, 155, 178, 230, 254, 310, 356, 445, 460, 508, 620, 635, 713, 890, 1270, 1426, 1780, 2047, 2540, 2759, 2852, 2921, 3565, 3937, 4094, 5518, 5842, 7130, 7874, 8188, 10235, 11036, 11303, 11684, 13795, 14260, 14605, 15748, 19685, 20470, 22606, 27590, 29210, 39370, 40940, 45212, 55180, 56515, 58420, 63457, 78740, 90551, 113030, 126914, 181102, 226060, 253828, 259969, 317285, 350393, 362204, 452755, 519938, 634570, 700786, 905510, 1039876, 1269140, 1299845, 1401572, 1751965, 1811020, 2599690, 3503930, 5199380, 7007860, 8059039, 16118078, 32236156, 40295195, 80590390, 161180780]

約数ペア:

[(1, 161180780), (2, 80590390), (4, 40295195), (5, 32236156), (10, 16118078), (20, 8059039), (23, 7007860), (31, 5199380), (46, 3503930), (62, 2599690), (89, 1811020), (92, 1751965), (115, 1401572), (124, 1299845), (127, 1269140), (155, 1039876), (178, 905510), (230, 700786), (254, 634570), (310, 519938), (356, 452755), (445, 362204), (460, 350393), (508, 317285), (620, 259969), (635, 253828), (713, 226060), (890, 181102), (1270, 126914), (1426, 113030), (1780, 90551), (2047, 78740), (2540, 63457), (2759, 58420), (2852, 56515), (2921, 55180), (3565, 45212), (3937, 40940), (4094, 39370), (5518, 29210), (5842, 27590), (7130, 22606), (7874, 20470), (8188, 19685), (10235, 15748), (11036, 14605), (11303, 14260), (11684, 13795)]