80226760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 122986040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 31, 40, 46, 58, 62, 92, 97, 115, 116, 124, 145, 155, 184, 194, 230, 232, 248, 290, 310, 388, 460, 485, 580, 620, 667, 713, 776, 899, 920, 970, 1160, 1240, 1334, 1426, 1798, 1940, 2231, 2668, 2813, 2852, 3007, 3335, 3565, 3596, 3880, 4462, 4495, 5336, 5626, 5704, 6014, 6670, 7130, 7192, 8924, 8990, 11155, 11252, 12028, 13340, 14065, 14260, 15035, 17848, 17980, 20677, 22310, 22504, 24056, 26680, 28130, 28520, 30070, 35960, 41354, 44620, 56260, 60140, 64699, 69161, 82708, 87203, 89240, 103385, 112520, 120280, 129398, 138322, 165416, 174406, 206770, 258796, 276644, 323495, 345805, 348812, 413540, 436015, 517592, 553288, 646990, 691610, 697624, 827080, 872030, 1293980, 1383220, 1744060, 2005669, 2587960, 2766440, 3488120, 4011338, 8022676, 10028345, 16045352, 20056690, 40113380, 80226760]

約数ペア:

[(1, 80226760), (2, 40113380), (4, 20056690), (5, 16045352), (8, 10028345), (10, 8022676), (20, 4011338), (23, 3488120), (29, 2766440), (31, 2587960), (40, 2005669), (46, 1744060), (58, 1383220), (62, 1293980), (92, 872030), (97, 827080), (115, 697624), (116, 691610), (124, 646990), (145, 553288), (155, 517592), (184, 436015), (194, 413540), (230, 348812), (232, 345805), (248, 323495), (290, 276644), (310, 258796), (388, 206770), (460, 174406), (485, 165416), (580, 138322), (620, 129398), (667, 120280), (713, 112520), (776, 103385), (899, 89240), (920, 87203), (970, 82708), (1160, 69161), (1240, 64699), (1334, 60140), (1426, 56260), (1798, 44620), (1940, 41354), (2231, 35960), (2668, 30070), (2813, 28520), (2852, 28130), (3007, 26680), (3335, 24056), (3565, 22504), (3596, 22310), (3880, 20677), (4462, 17980), (4495, 17848), (5336, 15035), (5626, 14260), (5704, 14065), (6014, 13340), (6670, 12028), (7130, 11252), (7192, 11155), (8924, 8990)]