16641420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 33677940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 389, 460, 465, 620, 690, 713, 778, 930, 1167, 1380, 1426, 1556, 1860, 1945, 2139, 2334, 2852, 3565, 3890, 4278, 4668, 5835, 7130, 7780, 8556, 8947, 10695, 11670, 12059, 14260, 17894, 21390, 23340, 24118, 26841, 35788, 36177, 42780, 44735, 48236, 53682, 60295, 72354, 89470, 107364, 120590, 134205, 144708, 178940, 180885, 241180, 268410, 277357, 361770, 536820, 554714, 723540, 832071, 1109428, 1386785, 1664142, 2773570, 3328284, 4160355, 5547140, 8320710, 16641420]

約数ペア:

[(1, 16641420), (2, 8320710), (3, 5547140), (4, 4160355), (5, 3328284), (6, 2773570), (10, 1664142), (12, 1386785), (15, 1109428), (20, 832071), (23, 723540), (30, 554714), (31, 536820), (46, 361770), (60, 277357), (62, 268410), (69, 241180), (92, 180885), (93, 178940), (115, 144708), (124, 134205), (138, 120590), (155, 107364), (186, 89470), (230, 72354), (276, 60295), (310, 53682), (345, 48236), (372, 44735), (389, 42780), (460, 36177), (465, 35788), (620, 26841), (690, 24118), (713, 23340), (778, 21390), (930, 17894), (1167, 14260), (1380, 12059), (1426, 11670), (1556, 10695), (1860, 8947), (1945, 8556), (2139, 7780), (2334, 7130), (2852, 5835), (3565, 4668), (3890, 4278)]