20215477320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{467}}^1\times {\mathrm{1993}}^1$

素因数の和:2655

約数の個数: 128

約数和(自身を含む): 61142739840

約数和(自身を除く): 40927262520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 467, 543, 724, 905, 934, 1086, 1401, 1448, 1810, 1868, 1993, 2172, 2335, 2715, 2802, 3620, 3736, 3986, 4344, 4670, 5430, 5604, 5979, 7005, 7240, 7972, 9340, 9965, 10860, 11208, 11958, 14010, 15944, 18680, 19930, 21720, 23916, 28020, 29895, 39860, 47832, 56040, 59790, 79720, 84527, 119580, 169054, 239160, 253581, 338108, 360733, 422635, 507162, 676216, 721466, 845270, 930731, 1014324, 1082199, 1267905, 1442932, 1690540, 1803665, 1861462, 2028648, 2164398, 2535810, 2792193, 2885864, 3381080, 3607330, 3722924, 4328796, 4653655, 5071620, 5410995, 5584386, 7214660, 7445848, 8657592, 9307310, 10143240, 10821990, 11168772, 13960965, 14429320, 18614620, 21643980, 22337544, 27921930, 37229240, 43287960, 55843860, 111687720, 168462311, 336924622, 505386933, 673849244, 842311555, 1010773866, 1347698488, 1684623110, 2021547732, 2526934665, 3369246220, 4043095464, 5053869330, 6738492440, 10107738660, 20215477320]

約数ペア:

[(1, 20215477320), (2, 10107738660), (3, 6738492440), (4, 5053869330), (5, 4043095464), (6, 3369246220), (8, 2526934665), (10, 2021547732), (12, 1684623110), (15, 1347698488), (20, 1010773866), (24, 842311555), (30, 673849244), (40, 505386933), (60, 336924622), (120, 168462311), (181, 111687720), (362, 55843860), (467, 43287960), (543, 37229240), (724, 27921930), (905, 22337544), (934, 21643980), (1086, 18614620), (1401, 14429320), (1448, 13960965), (1810, 11168772), (1868, 10821990), (1993, 10143240), (2172, 9307310), (2335, 8657592), (2715, 7445848), (2802, 7214660), (3620, 5584386), (3736, 5410995), (3986, 5071620), (4344, 4653655), (4670, 4328796), (5430, 3722924), (5604, 3607330), (5979, 3381080), (7005, 2885864), (7240, 2792193), (7972, 2535810), (9340, 2164398), (9965, 2028648), (10860, 1861462), (11208, 1803665), (11958, 1690540), (14010, 1442932), (15944, 1267905), (18680, 1082199), (19930, 1014324), (21720, 930731), (23916, 845270), (28020, 721466), (29895, 676216), (39860, 507162), (47832, 422635), (56040, 360733), (59790, 338108), (79720, 253581), (84527, 239160), (119580, 169054)]