51210120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1975

約数の個数: 128

約数和(自身を含む): 175271040

約数和(自身を除く): 124060920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 1931, 2040, 2210, 2652, 3315, 3862, 4420, 5304, 5793, 6630, 7724, 8840, 9655, 11586, 13260, 15448, 19310, 23172, 25103, 26520, 28965, 32827, 38620, 46344, 50206, 57930, 65654, 75309, 77240, 98481, 100412, 115860, 125515, 131308, 150618, 164135, 196962, 200824, 231720, 251030, 262616, 301236, 328270, 376545, 393924, 426751, 492405, 502060, 602472, 656540, 753090, 787848, 853502, 984810, 1004120, 1280253, 1313080, 1506180, 1707004, 1969620, 2133755, 2560506, 3012360, 3414008, 3939240, 4267510, 5121012, 6401265, 8535020, 10242024, 12802530, 17070040, 25605060, 51210120]

約数ペア:

[(1, 51210120), (2, 25605060), (3, 17070040), (4, 12802530), (5, 10242024), (6, 8535020), (8, 6401265), (10, 5121012), (12, 4267510), (13, 3939240), (15, 3414008), (17, 3012360), (20, 2560506), (24, 2133755), (26, 1969620), (30, 1707004), (34, 1506180), (39, 1313080), (40, 1280253), (51, 1004120), (52, 984810), (60, 853502), (65, 787848), (68, 753090), (78, 656540), (85, 602472), (102, 502060), (104, 492405), (120, 426751), (130, 393924), (136, 376545), (156, 328270), (170, 301236), (195, 262616), (204, 251030), (221, 231720), (255, 200824), (260, 196962), (312, 164135), (340, 150618), (390, 131308), (408, 125515), (442, 115860), (510, 100412), (520, 98481), (663, 77240), (680, 75309), (780, 65654), (884, 57930), (1020, 50206), (1105, 46344), (1326, 38620), (1560, 32827), (1768, 28965), (1931, 26520), (2040, 25103), (2210, 23172), (2652, 19310), (3315, 15448), (3862, 13260), (4420, 11586), (5304, 9655), (5793, 8840), (6630, 7724)]