20653423920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{470251}}^1$

素因数の和:470331

約数の個数: 120

約数和(自身を含む): 70498298832

約数和(自身を除く): 49844874912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 43920, 470251, 940502, 1410753, 1881004, 2351255, 2821506, 3762008, 4232259, 4702510, 5643012, 7053765, 7524016, 8464518, 9405020, 11286024, 14107530, 16929036, 18810040, 21161295, 22572048, 28215060, 28685311, 33858072, 37620080, 42322590, 56430120, 57370622, 67716144, 84645180, 86055933, 112860240, 114741244, 143426555, 169290360, 172111866, 229482488, 258167799, 286853110, 338580720, 344223732, 430279665, 458964976, 516335598, 573706220, 688447464, 860559330, 1032671196, 1147412440, 1290838995, 1376894928, 1721118660, 2065342392, 2294824880, 2581677990, 3442237320, 4130684784, 5163355980, 6884474640, 10326711960, 20653423920]

約数ペア:

[(1, 20653423920), (2, 10326711960), (3, 6884474640), (4, 5163355980), (5, 4130684784), (6, 3442237320), (8, 2581677990), (9, 2294824880), (10, 2065342392), (12, 1721118660), (15, 1376894928), (16, 1290838995), (18, 1147412440), (20, 1032671196), (24, 860559330), (30, 688447464), (36, 573706220), (40, 516335598), (45, 458964976), (48, 430279665), (60, 344223732), (61, 338580720), (72, 286853110), (80, 258167799), (90, 229482488), (120, 172111866), (122, 169290360), (144, 143426555), (180, 114741244), (183, 112860240), (240, 86055933), (244, 84645180), (305, 67716144), (360, 57370622), (366, 56430120), (488, 42322590), (549, 37620080), (610, 33858072), (720, 28685311), (732, 28215060), (915, 22572048), (976, 21161295), (1098, 18810040), (1220, 16929036), (1464, 14107530), (1830, 11286024), (2196, 9405020), (2440, 8464518), (2745, 7524016), (2928, 7053765), (3660, 5643012), (4392, 4702510), (4880, 4232259), (5490, 3762008), (7320, 2821506), (8784, 2351255), (10980, 1881004), (14640, 1410753), (21960, 940502), (43920, 470251)]