72420790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 149579136

約数和(自身を除く): 77158346

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 53, 65, 106, 115, 130, 230, 265, 299, 457, 530, 598, 689, 914, 1219, 1378, 1495, 2285, 2438, 2990, 3445, 4570, 5941, 6095, 6890, 10511, 11882, 12190, 15847, 21022, 24221, 29705, 31694, 48442, 52555, 59410, 79235, 105110, 121105, 136643, 158470, 242210, 273286, 314873, 557083, 629746, 683215, 1114166, 1366430, 1574365, 2785415, 3148730, 5570830, 7242079, 14484158, 36210395, 72420790]

約数ペア:

[(1, 72420790), (2, 36210395), (5, 14484158), (10, 7242079), (13, 5570830), (23, 3148730), (26, 2785415), (46, 1574365), (53, 1366430), (65, 1114166), (106, 683215), (115, 629746), (130, 557083), (230, 314873), (265, 273286), (299, 242210), (457, 158470), (530, 136643), (598, 121105), (689, 105110), (914, 79235), (1219, 59410), (1378, 52555), (1495, 48442), (2285, 31694), (2438, 29705), (2990, 24221), (3445, 21022), (4570, 15847), (5941, 12190), (6095, 11882), (6890, 10511)]