131008120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 330946560

約数和(自身を除く): 199938440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 41, 68, 74, 82, 85, 127, 136, 148, 164, 170, 185, 205, 254, 296, 328, 340, 370, 410, 508, 629, 635, 680, 697, 740, 820, 1016, 1258, 1270, 1394, 1480, 1517, 1640, 2159, 2516, 2540, 2788, 3034, 3145, 3485, 4318, 4699, 5032, 5080, 5207, 5576, 6068, 6290, 6970, 7585, 8636, 9398, 10414, 10795, 12136, 12580, 13940, 15170, 17272, 18796, 20828, 21590, 23495, 25160, 25789, 26035, 27880, 30340, 37592, 41656, 43180, 46990, 51578, 52070, 60680, 79883, 86360, 88519, 93980, 103156, 104140, 128945, 159766, 177038, 187960, 192659, 206312, 208280, 257890, 319532, 354076, 385318, 399415, 442595, 515780, 639064, 708152, 770636, 798830, 885190, 963295, 1031560, 1541272, 1597660, 1770380, 1926590, 3195320, 3275203, 3540760, 3853180, 6550406, 7706360, 13100812, 16376015, 26201624, 32752030, 65504060, 131008120]

約数ペア:

[(1, 131008120), (2, 65504060), (4, 32752030), (5, 26201624), (8, 16376015), (10, 13100812), (17, 7706360), (20, 6550406), (34, 3853180), (37, 3540760), (40, 3275203), (41, 3195320), (68, 1926590), (74, 1770380), (82, 1597660), (85, 1541272), (127, 1031560), (136, 963295), (148, 885190), (164, 798830), (170, 770636), (185, 708152), (205, 639064), (254, 515780), (296, 442595), (328, 399415), (340, 385318), (370, 354076), (410, 319532), (508, 257890), (629, 208280), (635, 206312), (680, 192659), (697, 187960), (740, 177038), (820, 159766), (1016, 128945), (1258, 104140), (1270, 103156), (1394, 93980), (1480, 88519), (1517, 86360), (1640, 79883), (2159, 60680), (2516, 52070), (2540, 51578), (2788, 46990), (3034, 43180), (3145, 41656), (3485, 37592), (4318, 30340), (4699, 27880), (5032, 26035), (5080, 25789), (5207, 25160), (5576, 23495), (6068, 21590), (6290, 20828), (6970, 18796), (7585, 17272), (8636, 15170), (9398, 13940), (10414, 12580), (10795, 12136)]