165755720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2111}}^1$

素因数の和:2286

約数の個数: 64

約数和(自身を含む): 404490240

約数和(自身を除く): 238734520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 260, 302, 520, 604, 755, 1208, 1510, 1963, 2111, 3020, 3926, 4222, 6040, 7852, 8444, 9815, 10555, 15704, 16888, 19630, 21110, 27443, 39260, 42220, 54886, 78520, 84440, 109772, 137215, 219544, 274430, 318761, 548860, 637522, 1097720, 1275044, 1593805, 2550088, 3187610, 4143893, 6375220, 8287786, 12750440, 16575572, 20719465, 33151144, 41438930, 82877860, 165755720]

約数ペア:

[(1, 165755720), (2, 82877860), (4, 41438930), (5, 33151144), (8, 20719465), (10, 16575572), (13, 12750440), (20, 8287786), (26, 6375220), (40, 4143893), (52, 3187610), (65, 2550088), (104, 1593805), (130, 1275044), (151, 1097720), (260, 637522), (302, 548860), (520, 318761), (604, 274430), (755, 219544), (1208, 137215), (1510, 109772), (1963, 84440), (2111, 78520), (3020, 54886), (3926, 42220), (4222, 39260), (6040, 27443), (7852, 21110), (8444, 19630), (9815, 16888), (10555, 15704)]