212891880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 665395200

約数和(自身を除く): 452503320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 151, 155, 186, 248, 302, 310, 372, 379, 453, 465, 604, 620, 744, 755, 758, 906, 930, 1137, 1208, 1240, 1510, 1516, 1812, 1860, 1895, 2265, 2274, 3020, 3032, 3624, 3720, 3790, 4530, 4548, 4681, 5685, 6040, 7580, 9060, 9096, 9362, 11370, 11749, 14043, 15160, 18120, 18724, 22740, 23405, 23498, 28086, 35247, 37448, 45480, 46810, 46996, 56172, 57229, 58745, 70215, 70494, 93620, 93992, 112344, 114458, 117490, 140430, 140988, 171687, 176235, 187240, 228916, 234980, 280860, 281976, 286145, 343374, 352470, 457832, 469960, 561720, 572290, 686748, 704940, 858435, 1144580, 1373496, 1409880, 1716870, 1774099, 2289160, 3433740, 3548198, 5322297, 6867480, 7096396, 8870495, 10644594, 14192792, 17740990, 21289188, 26611485, 35481980, 42578376, 53222970, 70963960, 106445940, 212891880]

約数ペア:

[(1, 212891880), (2, 106445940), (3, 70963960), (4, 53222970), (5, 42578376), (6, 35481980), (8, 26611485), (10, 21289188), (12, 17740990), (15, 14192792), (20, 10644594), (24, 8870495), (30, 7096396), (31, 6867480), (40, 5322297), (60, 3548198), (62, 3433740), (93, 2289160), (120, 1774099), (124, 1716870), (151, 1409880), (155, 1373496), (186, 1144580), (248, 858435), (302, 704940), (310, 686748), (372, 572290), (379, 561720), (453, 469960), (465, 457832), (604, 352470), (620, 343374), (744, 286145), (755, 281976), (758, 280860), (906, 234980), (930, 228916), (1137, 187240), (1208, 176235), (1240, 171687), (1510, 140988), (1516, 140430), (1812, 117490), (1860, 114458), (1895, 112344), (2265, 93992), (2274, 93620), (3020, 70494), (3032, 70215), (3624, 58745), (3720, 57229), (3790, 56172), (4530, 46996), (4548, 46810), (4681, 45480), (5685, 37448), (6040, 35247), (7580, 28086), (9060, 23498), (9096, 23405), (9362, 22740), (11370, 18724), (11749, 18120), (14043, 15160)]