28643940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12241}}^1$

素因数の和:12269

約数の個数: 72

約数和(自身を含む): 93577848

約数和(自身を除く): 64933908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12241, 24482, 36723, 48964, 61205, 73446, 110169, 122410, 146892, 159133, 183615, 220338, 244820, 318266, 367230, 440676, 477399, 550845, 636532, 734460, 795665, 954798, 1101690, 1432197, 1591330, 1909596, 2203380, 2386995, 2864394, 3182660, 4773990, 5728788, 7160985, 9547980, 14321970, 28643940]

約数ペア:

[(1, 28643940), (2, 14321970), (3, 9547980), (4, 7160985), (5, 5728788), (6, 4773990), (9, 3182660), (10, 2864394), (12, 2386995), (13, 2203380), (15, 1909596), (18, 1591330), (20, 1432197), (26, 1101690), (30, 954798), (36, 795665), (39, 734460), (45, 636532), (52, 550845), (60, 477399), (65, 440676), (78, 367230), (90, 318266), (117, 244820), (130, 220338), (156, 183615), (180, 159133), (195, 146892), (234, 122410), (260, 110169), (390, 73446), (468, 61205), (585, 48964), (780, 36723), (1170, 24482), (2340, 12241)]