640537260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23671}}^1$

素因数の和:23735

約数の個数: 96

約数和(自身を含む): 2004355584

約数和(自身を除く): 1363818324

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 110, 123, 132, 164, 165, 205, 220, 246, 330, 410, 451, 492, 615, 660, 820, 902, 1230, 1353, 1804, 2255, 2460, 2706, 4510, 5412, 6765, 9020, 13530, 23671, 27060, 47342, 71013, 94684, 118355, 142026, 236710, 260381, 284052, 355065, 473420, 520762, 710130, 781143, 970511, 1041524, 1301905, 1420260, 1562286, 1941022, 2603810, 2911533, 3124572, 3882044, 3905715, 4852555, 5207620, 5823066, 7811430, 9705110, 10675621, 11646132, 14557665, 15622860, 19410220, 21351242, 29115330, 32026863, 42702484, 53378105, 58230660, 64053726, 106756210, 128107452, 160134315, 213512420, 320268630, 640537260]

約数ペア:

[(1, 640537260), (2, 320268630), (3, 213512420), (4, 160134315), (5, 128107452), (6, 106756210), (10, 64053726), (11, 58230660), (12, 53378105), (15, 42702484), (20, 32026863), (22, 29115330), (30, 21351242), (33, 19410220), (41, 15622860), (44, 14557665), (55, 11646132), (60, 10675621), (66, 9705110), (82, 7811430), (110, 5823066), (123, 5207620), (132, 4852555), (164, 3905715), (165, 3882044), (205, 3124572), (220, 2911533), (246, 2603810), (330, 1941022), (410, 1562286), (451, 1420260), (492, 1301905), (615, 1041524), (660, 970511), (820, 781143), (902, 710130), (1230, 520762), (1353, 473420), (1804, 355065), (2255, 284052), (2460, 260381), (2706, 236710), (4510, 142026), (5412, 118355), (6765, 94684), (9020, 71013), (13530, 47342), (23671, 27060)]