12292720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 31828320

約数和(自身を除く): 19535600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 229, 244, 305, 440, 458, 488, 610, 671, 880, 916, 976, 1145, 1220, 1342, 1832, 2290, 2440, 2519, 2684, 3355, 3664, 4580, 4880, 5038, 5368, 6710, 9160, 10076, 10736, 12595, 13420, 13969, 18320, 20152, 25190, 26840, 27938, 40304, 50380, 53680, 55876, 69845, 100760, 111752, 139690, 153659, 201520, 223504, 279380, 307318, 558760, 614636, 768295, 1117520, 1229272, 1536590, 2458544, 3073180, 6146360, 12292720]

約数ペア:

[(1, 12292720), (2, 6146360), (4, 3073180), (5, 2458544), (8, 1536590), (10, 1229272), (11, 1117520), (16, 768295), (20, 614636), (22, 558760), (40, 307318), (44, 279380), (55, 223504), (61, 201520), (80, 153659), (88, 139690), (110, 111752), (122, 100760), (176, 69845), (220, 55876), (229, 53680), (244, 50380), (305, 40304), (440, 27938), (458, 26840), (488, 25190), (610, 20152), (671, 18320), (880, 13969), (916, 13420), (976, 12595), (1145, 10736), (1220, 10076), (1342, 9160), (1832, 6710), (2290, 5368), (2440, 5038), (2519, 4880), (2684, 4580), (3355, 3664)]