1400287360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:646

約数の個数: 128

約数和(自身を含む): 3484776960

約数和(自身を除く): 2084489600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 163, 248, 310, 320, 326, 433, 496, 620, 640, 652, 815, 866, 992, 1240, 1304, 1630, 1732, 1984, 2165, 2480, 2608, 3260, 3464, 3968, 4330, 4960, 5053, 5216, 6520, 6928, 8660, 9920, 10106, 10432, 13040, 13423, 13856, 17320, 19840, 20212, 20864, 25265, 26080, 26846, 27712, 34640, 40424, 50530, 52160, 53692, 55424, 67115, 69280, 70579, 80848, 101060, 104320, 107384, 134230, 138560, 141158, 161696, 202120, 214768, 268460, 277120, 282316, 323392, 352895, 404240, 429536, 536920, 564632, 646784, 705790, 808480, 859072, 1073840, 1129264, 1411580, 1616960, 1718144, 2147680, 2187949, 2258528, 2823160, 3233920, 4295360, 4375898, 4517056, 5646320, 8590720, 8751796, 9034112, 10939745, 11292640, 17503592, 21879490, 22585280, 35007184, 43758980, 45170560, 70014368, 87517960, 140028736, 175035920, 280057472, 350071840, 700143680, 1400287360]

約数ペア:

[(1, 1400287360), (2, 700143680), (4, 350071840), (5, 280057472), (8, 175035920), (10, 140028736), (16, 87517960), (20, 70014368), (31, 45170560), (32, 43758980), (40, 35007184), (62, 22585280), (64, 21879490), (80, 17503592), (124, 11292640), (128, 10939745), (155, 9034112), (160, 8751796), (163, 8590720), (248, 5646320), (310, 4517056), (320, 4375898), (326, 4295360), (433, 3233920), (496, 2823160), (620, 2258528), (640, 2187949), (652, 2147680), (815, 1718144), (866, 1616960), (992, 1411580), (1240, 1129264), (1304, 1073840), (1630, 859072), (1732, 808480), (1984, 705790), (2165, 646784), (2480, 564632), (2608, 536920), (3260, 429536), (3464, 404240), (3968, 352895), (4330, 323392), (4960, 282316), (5053, 277120), (5216, 268460), (6520, 214768), (6928, 202120), (8660, 161696), (9920, 141158), (10106, 138560), (10432, 134230), (13040, 107384), (13423, 104320), (13856, 101060), (17320, 80848), (19840, 70579), (20212, 69280), (20864, 67115), (25265, 55424), (26080, 53692), (26846, 52160), (27712, 50530), (34640, 40424)]