156663920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7561}}^1$

素因数の和:7618

約数の個数: 80

約数和(自身を含む): 427585728

約数和(自身を除く): 270921808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 7561, 10360, 15122, 20720, 30244, 37805, 52927, 60488, 75610, 105854, 120976, 151220, 211708, 264635, 279757, 302440, 423416, 529270, 559514, 604880, 846832, 1058540, 1119028, 1398785, 1958299, 2117080, 2238056, 2797570, 3916598, 4234160, 4476112, 5595140, 7833196, 9791495, 11190280, 15666392, 19582990, 22380560, 31332784, 39165980, 78331960, 156663920]

約数ペア:

[(1, 156663920), (2, 78331960), (4, 39165980), (5, 31332784), (7, 22380560), (8, 19582990), (10, 15666392), (14, 11190280), (16, 9791495), (20, 7833196), (28, 5595140), (35, 4476112), (37, 4234160), (40, 3916598), (56, 2797570), (70, 2238056), (74, 2117080), (80, 1958299), (112, 1398785), (140, 1119028), (148, 1058540), (185, 846832), (259, 604880), (280, 559514), (296, 529270), (370, 423416), (518, 302440), (560, 279757), (592, 264635), (740, 211708), (1036, 151220), (1295, 120976), (1480, 105854), (2072, 75610), (2590, 60488), (2960, 52927), (4144, 37805), (5180, 30244), (7561, 20720), (10360, 15122)]