12261080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 33566400

約数和(自身を除く): 21305320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 73, 76, 85, 95, 104, 130, 136, 146, 152, 170, 190, 221, 247, 260, 292, 323, 340, 365, 380, 442, 494, 520, 584, 646, 680, 730, 760, 884, 949, 988, 1105, 1235, 1241, 1292, 1387, 1460, 1615, 1768, 1898, 1976, 2210, 2470, 2482, 2584, 2774, 2920, 3230, 3796, 4199, 4420, 4745, 4940, 4964, 5548, 6205, 6460, 6935, 7592, 8398, 8840, 9490, 9880, 9928, 11096, 12410, 12920, 13870, 16133, 16796, 18031, 18980, 20995, 23579, 24820, 27740, 32266, 33592, 36062, 37960, 41990, 47158, 49640, 55480, 64532, 72124, 80665, 83980, 90155, 94316, 117895, 129064, 144248, 161330, 167960, 180310, 188632, 235790, 306527, 322660, 360620, 471580, 613054, 645320, 721240, 943160, 1226108, 1532635, 2452216, 3065270, 6130540, 12261080]

約数ペア:

[(1, 12261080), (2, 6130540), (4, 3065270), (5, 2452216), (8, 1532635), (10, 1226108), (13, 943160), (17, 721240), (19, 645320), (20, 613054), (26, 471580), (34, 360620), (38, 322660), (40, 306527), (52, 235790), (65, 188632), (68, 180310), (73, 167960), (76, 161330), (85, 144248), (95, 129064), (104, 117895), (130, 94316), (136, 90155), (146, 83980), (152, 80665), (170, 72124), (190, 64532), (221, 55480), (247, 49640), (260, 47158), (292, 41990), (323, 37960), (340, 36062), (365, 33592), (380, 32266), (442, 27740), (494, 24820), (520, 23579), (584, 20995), (646, 18980), (680, 18031), (730, 16796), (760, 16133), (884, 13870), (949, 12920), (988, 12410), (1105, 11096), (1235, 9928), (1241, 9880), (1292, 9490), (1387, 8840), (1460, 8398), (1615, 7592), (1768, 6935), (1898, 6460), (1976, 6205), (2210, 5548), (2470, 4964), (2482, 4940), (2584, 4745), (2774, 4420), (2920, 4199), (3230, 3796)]