156907280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 390068784

約数和(自身を除く): 233161504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 113, 136, 170, 226, 272, 340, 452, 565, 680, 904, 1021, 1130, 1360, 1808, 1921, 2042, 2260, 3842, 4084, 4520, 5105, 7684, 8168, 9040, 9605, 10210, 15368, 16336, 17357, 19210, 20420, 30736, 34714, 38420, 40840, 69428, 76840, 81680, 86785, 115373, 138856, 153680, 173570, 230746, 277712, 347140, 461492, 576865, 694280, 922984, 1153730, 1388560, 1845968, 1961341, 2307460, 3922682, 4614920, 7845364, 9229840, 9806705, 15690728, 19613410, 31381456, 39226820, 78453640, 156907280]

約数ペア:

[(1, 156907280), (2, 78453640), (4, 39226820), (5, 31381456), (8, 19613410), (10, 15690728), (16, 9806705), (17, 9229840), (20, 7845364), (34, 4614920), (40, 3922682), (68, 2307460), (80, 1961341), (85, 1845968), (113, 1388560), (136, 1153730), (170, 922984), (226, 694280), (272, 576865), (340, 461492), (452, 347140), (565, 277712), (680, 230746), (904, 173570), (1021, 153680), (1130, 138856), (1360, 115373), (1808, 86785), (1921, 81680), (2042, 76840), (2260, 69428), (3842, 40840), (4084, 38420), (4520, 34714), (5105, 30736), (7684, 20420), (8168, 19210), (9040, 17357), (9605, 16336), (10210, 15368)]