12663980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{313}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 32389728

約数和(自身を除く): 19725748

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 313, 340, 476, 578, 595, 626, 1156, 1190, 1252, 1445, 1565, 2023, 2191, 2380, 2890, 3130, 4046, 4382, 5321, 5780, 6260, 8092, 8764, 10115, 10642, 10955, 20230, 21284, 21910, 26605, 37247, 40460, 43820, 53210, 74494, 90457, 106420, 148988, 180914, 186235, 361828, 372470, 452285, 633199, 744940, 904570, 1266398, 1809140, 2532796, 3165995, 6331990, 12663980]

約数ペア:

[(1, 12663980), (2, 6331990), (4, 3165995), (5, 2532796), (7, 1809140), (10, 1266398), (14, 904570), (17, 744940), (20, 633199), (28, 452285), (34, 372470), (35, 361828), (68, 186235), (70, 180914), (85, 148988), (119, 106420), (140, 90457), (170, 74494), (238, 53210), (289, 43820), (313, 40460), (340, 37247), (476, 26605), (578, 21910), (595, 21284), (626, 20230), (1156, 10955), (1190, 10642), (1252, 10115), (1445, 8764), (1565, 8092), (2023, 6260), (2191, 5780), (2380, 5321), (2890, 4382), (3130, 4046)]