214916520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19681}}^1$

素因数の和:19715

約数の個数: 128

約数和(自身を含む): 793578240

約数和(自身を除く): 578661720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19681, 39362, 59043, 78724, 98405, 118086, 137767, 157448, 196810, 236172, 255853, 275534, 295215, 393620, 413301, 472344, 511706, 551068, 590430, 688835, 767559, 787240, 826602, 1023412, 1102136, 1180860, 1279265, 1377670, 1535118, 1653204, 1790971, 2046824, 2066505, 2361720, 2558530, 2755340, 3070236, 3306408, 3581942, 3837795, 4133010, 5117060, 5372913, 5510680, 6140472, 7163884, 7675590, 8266020, 8954855, 10234120, 10745826, 14327768, 15351180, 16532040, 17909710, 21491652, 26864565, 30702360, 35819420, 42983304, 53729130, 71638840, 107458260, 214916520]

約数ペア:

[(1, 214916520), (2, 107458260), (3, 71638840), (4, 53729130), (5, 42983304), (6, 35819420), (7, 30702360), (8, 26864565), (10, 21491652), (12, 17909710), (13, 16532040), (14, 15351180), (15, 14327768), (20, 10745826), (21, 10234120), (24, 8954855), (26, 8266020), (28, 7675590), (30, 7163884), (35, 6140472), (39, 5510680), (40, 5372913), (42, 5117060), (52, 4133010), (56, 3837795), (60, 3581942), (65, 3306408), (70, 3070236), (78, 2755340), (84, 2558530), (91, 2361720), (104, 2066505), (105, 2046824), (120, 1790971), (130, 1653204), (140, 1535118), (156, 1377670), (168, 1279265), (182, 1180860), (195, 1102136), (210, 1023412), (260, 826602), (273, 787240), (280, 767559), (312, 688835), (364, 590430), (390, 551068), (420, 511706), (455, 472344), (520, 413301), (546, 393620), (728, 295215), (780, 275534), (840, 255853), (910, 236172), (1092, 196810), (1365, 157448), (1560, 137767), (1820, 118086), (2184, 98405), (2730, 78724), (3640, 59043), (5460, 39362), (10920, 19681)]