217269780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3061}}^1$

素因数の和:3106

約数の個数: 144

約数和(自身を含む): 753105024

約数和(自身を除く): 535835244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 3061, 3380, 3549, 4732, 5070, 5460, 5915, 6122, 7098, 9183, 10140, 11830, 12244, 14196, 15305, 17745, 18366, 21427, 23660, 30610, 35490, 36732, 39793, 42854, 45915, 61220, 64281, 70980, 79586, 85708, 91830, 107135, 119379, 128562, 159172, 183660, 198965, 214270, 238758, 257124, 278551, 321405, 397930, 428540, 477516, 517309, 557102, 596895, 642810, 795860, 835653, 1034618, 1114204, 1193790, 1285620, 1392755, 1551927, 1671306, 2069236, 2387580, 2586545, 2785510, 3103854, 3342612, 3621163, 4178265, 5173090, 5571020, 6207708, 7242326, 7759635, 8356530, 10346180, 10863489, 14484652, 15519270, 16713060, 18105815, 21726978, 31038540, 36211630, 43453956, 54317445, 72423260, 108634890, 217269780]

約数ペア:

[(1, 217269780), (2, 108634890), (3, 72423260), (4, 54317445), (5, 43453956), (6, 36211630), (7, 31038540), (10, 21726978), (12, 18105815), (13, 16713060), (14, 15519270), (15, 14484652), (20, 10863489), (21, 10346180), (26, 8356530), (28, 7759635), (30, 7242326), (35, 6207708), (39, 5571020), (42, 5173090), (52, 4178265), (60, 3621163), (65, 3342612), (70, 3103854), (78, 2785510), (84, 2586545), (91, 2387580), (105, 2069236), (130, 1671306), (140, 1551927), (156, 1392755), (169, 1285620), (182, 1193790), (195, 1114204), (210, 1034618), (260, 835653), (273, 795860), (338, 642810), (364, 596895), (390, 557102), (420, 517309), (455, 477516), (507, 428540), (546, 397930), (676, 321405), (780, 278551), (845, 257124), (910, 238758), (1014, 214270), (1092, 198965), (1183, 183660), (1365, 159172), (1690, 128562), (1820, 119379), (2028, 107135), (2366, 91830), (2535, 85708), (2730, 79586), (3061, 70980), (3380, 64281), (3549, 61220), (4732, 45915), (5070, 42854), (5460, 39793), (5915, 36732), (6122, 35490), (7098, 30610), (9183, 23660), (10140, 21427), (11830, 18366), (12244, 17745), (14196, 15305)]