90908480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^2$

素因数の和:125

約数の個数: 126

約数和(自身を含む): 240265458

約数和(自身を除く): 149356978

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 130, 160, 164, 169, 205, 208, 260, 320, 328, 338, 410, 416, 520, 533, 656, 676, 820, 832, 845, 1040, 1066, 1312, 1352, 1640, 1681, 1690, 2080, 2132, 2624, 2665, 2704, 3280, 3362, 3380, 4160, 4264, 5330, 5408, 6560, 6724, 6760, 6929, 8405, 8528, 10660, 10816, 13120, 13448, 13520, 13858, 16810, 17056, 21320, 21853, 26896, 27040, 27716, 33620, 34112, 34645, 42640, 43706, 53792, 54080, 55432, 67240, 69290, 85280, 87412, 107584, 109265, 110864, 134480, 138580, 170560, 174824, 218530, 221728, 268960, 277160, 284089, 349648, 437060, 443456, 537920, 554320, 568178, 699296, 874120, 1108640, 1136356, 1398592, 1420445, 1748240, 2217280, 2272712, 2840890, 3496480, 4545424, 5681780, 6992960, 9090848, 11363560, 18181696, 22727120, 45454240, 90908480]

約数ペア:

[(1, 90908480), (2, 45454240), (4, 22727120), (5, 18181696), (8, 11363560), (10, 9090848), (13, 6992960), (16, 5681780), (20, 4545424), (26, 3496480), (32, 2840890), (40, 2272712), (41, 2217280), (52, 1748240), (64, 1420445), (65, 1398592), (80, 1136356), (82, 1108640), (104, 874120), (130, 699296), (160, 568178), (164, 554320), (169, 537920), (205, 443456), (208, 437060), (260, 349648), (320, 284089), (328, 277160), (338, 268960), (410, 221728), (416, 218530), (520, 174824), (533, 170560), (656, 138580), (676, 134480), (820, 110864), (832, 109265), (845, 107584), (1040, 87412), (1066, 85280), (1312, 69290), (1352, 67240), (1640, 55432), (1681, 54080), (1690, 53792), (2080, 43706), (2132, 42640), (2624, 34645), (2665, 34112), (2704, 33620), (3280, 27716), (3362, 27040), (3380, 26896), (4160, 21853), (4264, 21320), (5330, 17056), (5408, 16810), (6560, 13858), (6724, 13520), (6760, 13448), (6929, 13120), (8405, 10816), (8528, 10660)]