505459960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 1260748800

約数和(自身を除く): 755288840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 37, 40, 46, 62, 74, 92, 115, 124, 148, 155, 184, 185, 230, 248, 296, 310, 370, 460, 479, 620, 713, 740, 851, 920, 958, 1147, 1240, 1426, 1480, 1702, 1916, 2294, 2395, 2852, 3404, 3565, 3832, 4255, 4588, 4790, 5704, 5735, 6808, 7130, 8510, 9176, 9580, 11017, 11470, 14260, 14849, 17020, 17723, 19160, 22034, 22940, 26381, 28520, 29698, 34040, 35446, 44068, 45880, 52762, 55085, 59396, 70892, 74245, 88136, 88615, 105524, 110170, 118792, 131905, 141784, 148490, 177230, 211048, 220340, 263810, 296980, 341527, 354460, 407629, 440680, 527620, 549413, 593960, 683054, 708920, 815258, 1055240, 1098826, 1366108, 1630516, 1707635, 2038145, 2197652, 2732216, 2747065, 3261032, 3415270, 4076290, 4395304, 5494130, 6830540, 8152580, 10988260, 12636499, 13661080, 16305160, 21976520, 25272998, 50545996, 63182495, 101091992, 126364990, 252729980, 505459960]

約数ペア:

[(1, 505459960), (2, 252729980), (4, 126364990), (5, 101091992), (8, 63182495), (10, 50545996), (20, 25272998), (23, 21976520), (31, 16305160), (37, 13661080), (40, 12636499), (46, 10988260), (62, 8152580), (74, 6830540), (92, 5494130), (115, 4395304), (124, 4076290), (148, 3415270), (155, 3261032), (184, 2747065), (185, 2732216), (230, 2197652), (248, 2038145), (296, 1707635), (310, 1630516), (370, 1366108), (460, 1098826), (479, 1055240), (620, 815258), (713, 708920), (740, 683054), (851, 593960), (920, 549413), (958, 527620), (1147, 440680), (1240, 407629), (1426, 354460), (1480, 341527), (1702, 296980), (1916, 263810), (2294, 220340), (2395, 211048), (2852, 177230), (3404, 148490), (3565, 141784), (3832, 131905), (4255, 118792), (4588, 110170), (4790, 105524), (5704, 88615), (5735, 88136), (6808, 74245), (7130, 70892), (8510, 59396), (9176, 55085), (9580, 52762), (11017, 45880), (11470, 44068), (14260, 35446), (14849, 34040), (17020, 29698), (17723, 28520), (19160, 26381), (22034, 22940)]