72124520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2617}}^1$

素因数の和:2694

約数の個数: 64

約数和(自身を含む): 178128720

約数和(自身を除く): 106004200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2617, 2756, 3445, 5234, 5512, 6890, 10468, 13085, 13780, 20936, 26170, 27560, 34021, 52340, 68042, 104680, 136084, 138701, 170105, 272168, 277402, 340210, 554804, 680420, 693505, 1109608, 1360840, 1387010, 1803113, 2774020, 3606226, 5548040, 7212452, 9015565, 14424904, 18031130, 36062260, 72124520]

約数ペア:

[(1, 72124520), (2, 36062260), (4, 18031130), (5, 14424904), (8, 9015565), (10, 7212452), (13, 5548040), (20, 3606226), (26, 2774020), (40, 1803113), (52, 1387010), (53, 1360840), (65, 1109608), (104, 693505), (106, 680420), (130, 554804), (212, 340210), (260, 277402), (265, 272168), (424, 170105), (520, 138701), (530, 136084), (689, 104680), (1060, 68042), (1378, 52340), (2120, 34021), (2617, 27560), (2756, 26170), (3445, 20936), (5234, 13780), (5512, 13085), (6890, 10468)]