209787240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1511}}^1$

素因数の和:1627

約数の個数: 128

約数和(自身を含む): 685843200

約数和(自身を除く): 476055960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 120, 130, 156, 178, 195, 260, 267, 312, 356, 390, 445, 520, 534, 712, 780, 890, 1068, 1157, 1335, 1511, 1560, 1780, 2136, 2314, 2670, 3022, 3471, 3560, 4533, 4628, 5340, 5785, 6044, 6942, 7555, 9066, 9256, 10680, 11570, 12088, 13884, 15110, 17355, 18132, 19643, 22665, 23140, 27768, 30220, 34710, 36264, 39286, 45330, 46280, 58929, 60440, 69420, 78572, 90660, 98215, 117858, 134479, 138840, 157144, 181320, 196430, 235716, 268958, 294645, 392860, 403437, 471432, 537916, 589290, 672395, 785720, 806874, 1075832, 1178580, 1344790, 1613748, 1748227, 2017185, 2357160, 2689580, 3227496, 3496454, 4034370, 5244681, 5379160, 6992908, 8068740, 8741135, 10489362, 13985816, 16137480, 17482270, 20978724, 26223405, 34964540, 41957448, 52446810, 69929080, 104893620, 209787240]

約数ペア:

[(1, 209787240), (2, 104893620), (3, 69929080), (4, 52446810), (5, 41957448), (6, 34964540), (8, 26223405), (10, 20978724), (12, 17482270), (13, 16137480), (15, 13985816), (20, 10489362), (24, 8741135), (26, 8068740), (30, 6992908), (39, 5379160), (40, 5244681), (52, 4034370), (60, 3496454), (65, 3227496), (78, 2689580), (89, 2357160), (104, 2017185), (120, 1748227), (130, 1613748), (156, 1344790), (178, 1178580), (195, 1075832), (260, 806874), (267, 785720), (312, 672395), (356, 589290), (390, 537916), (445, 471432), (520, 403437), (534, 392860), (712, 294645), (780, 268958), (890, 235716), (1068, 196430), (1157, 181320), (1335, 157144), (1511, 138840), (1560, 134479), (1780, 117858), (2136, 98215), (2314, 90660), (2670, 78572), (3022, 69420), (3471, 60440), (3560, 58929), (4533, 46280), (4628, 45330), (5340, 39286), (5785, 36264), (6044, 34710), (6942, 30220), (7555, 27768), (9066, 23140), (9256, 22665), (10680, 19643), (11570, 18132), (12088, 17355), (13884, 15110)]