218547420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3079}}^1$

素因数の和:3124

約数の個数: 144

約数和(自身を含む): 757532160

約数和(自身を除く): 538984740

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, 3079, 3380, 3549, 4732, 5070, 5460, 5915, 6158, 7098, 9237, 10140, 11830, 12316, 14196, 15395, 17745, 18474, 21553, 23660, 30790, 35490, 36948, 40027, 43106, 46185, 61580, 64659, 70980, 80054, 86212, 92370, 107765, 120081, 129318, 160108, 184740, 200135, 215530, 240162, 258636, 280189, 323295, 400270, 431060, 480324, 520351, 560378, 600405, 646590, 800540, 840567, 1040702, 1120756, 1200810, 1293180, 1400945, 1561053, 1681134, 2081404, 2401620, 2601755, 2801890, 3122106, 3362268, 3642457, 4202835, 5203510, 5603780, 6244212, 7284914, 7805265, 8405670, 10407020, 10927371, 14569828, 15610530, 16811340, 18212285, 21854742, 31221060, 36424570, 43709484, 54636855, 72849140, 109273710, 218547420]

約数ペア:

[(1, 218547420), (2, 109273710), (3, 72849140), (4, 54636855), (5, 43709484), (6, 36424570), (7, 31221060), (10, 21854742), (12, 18212285), (13, 16811340), (14, 15610530), (15, 14569828), (20, 10927371), (21, 10407020), (26, 8405670), (28, 7805265), (30, 7284914), (35, 6244212), (39, 5603780), (42, 5203510), (52, 4202835), (60, 3642457), (65, 3362268), (70, 3122106), (78, 2801890), (84, 2601755), (91, 2401620), (105, 2081404), (130, 1681134), (140, 1561053), (156, 1400945), (169, 1293180), (182, 1200810), (195, 1120756), (210, 1040702), (260, 840567), (273, 800540), (338, 646590), (364, 600405), (390, 560378), (420, 520351), (455, 480324), (507, 431060), (546, 400270), (676, 323295), (780, 280189), (845, 258636), (910, 240162), (1014, 215530), (1092, 200135), (1183, 184740), (1365, 160108), (1690, 129318), (1820, 120081), (2028, 107765), (2366, 92370), (2535, 86212), (2730, 80054), (3079, 70980), (3380, 64659), (3549, 61580), (4732, 46185), (5070, 43106), (5460, 40027), (5915, 36948), (6158, 35490), (7098, 30790), (9237, 23660), (10140, 21553), (11830, 18474), (12316, 17745), (14196, 15395)]