18356520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 69471360

約数和(自身を除く): 51114840

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, 41, 42, 52, 56, 60, 65, 70, 78, 82, 84, 91, 104, 105, 120, 123, 130, 140, 156, 164, 168, 182, 195, 205, 210, 246, 260, 273, 280, 287, 312, 328, 364, 390, 410, 420, 455, 492, 520, 533, 546, 574, 615, 728, 780, 820, 840, 861, 910, 984, 1066, 1092, 1148, 1230, 1365, 1435, 1560, 1599, 1640, 1681, 1722, 1820, 2132, 2184, 2296, 2460, 2665, 2730, 2870, 3198, 3362, 3444, 3640, 3731, 4264, 4305, 4920, 5043, 5330, 5460, 5740, 6396, 6724, 6888, 7462, 7995, 8405, 8610, 10086, 10660, 10920, 11193, 11480, 11767, 12792, 13448, 14924, 15990, 16810, 17220, 18655, 20172, 21320, 21853, 22386, 23534, 25215, 29848, 31980, 33620, 34440, 35301, 37310, 40344, 43706, 44772, 47068, 50430, 55965, 58835, 63960, 65559, 67240, 70602, 74620, 87412, 89544, 94136, 100860, 109265, 111930, 117670, 131118, 141204, 149240, 152971, 174824, 176505, 201720, 218530, 223860, 235340, 262236, 282408, 305942, 327795, 353010, 437060, 447720, 458913, 470680, 524472, 611884, 655590, 706020, 764855, 874120, 917826, 1223768, 1311180, 1412040, 1529710, 1835652, 2294565, 2622360, 3059420, 3671304, 4589130, 6118840, 9178260, 18356520]

約数ペア:

[(1, 18356520), (2, 9178260), (3, 6118840), (4, 4589130), (5, 3671304), (6, 3059420), (7, 2622360), (8, 2294565), (10, 1835652), (12, 1529710), (13, 1412040), (14, 1311180), (15, 1223768), (20, 917826), (21, 874120), (24, 764855), (26, 706020), (28, 655590), (30, 611884), (35, 524472), (39, 470680), (40, 458913), (41, 447720), (42, 437060), (52, 353010), (56, 327795), (60, 305942), (65, 282408), (70, 262236), (78, 235340), (82, 223860), (84, 218530), (91, 201720), (104, 176505), (105, 174824), (120, 152971), (123, 149240), (130, 141204), (140, 131118), (156, 117670), (164, 111930), (168, 109265), (182, 100860), (195, 94136), (205, 89544), (210, 87412), (246, 74620), (260, 70602), (273, 67240), (280, 65559), (287, 63960), (312, 58835), (328, 55965), (364, 50430), (390, 47068), (410, 44772), (420, 43706), (455, 40344), (492, 37310), (520, 35301), (533, 34440), (546, 33620), (574, 31980), (615, 29848), (728, 25215), (780, 23534), (820, 22386), (840, 21853), (861, 21320), (910, 20172), (984, 18655), (1066, 17220), (1092, 16810), (1148, 15990), (1230, 14924), (1365, 13448), (1435, 12792), (1560, 11767), (1599, 11480), (1640, 11193), (1681, 10920), (1722, 10660), (1820, 10086), (2132, 8610), (2184, 8405), (2296, 7995), (2460, 7462), (2665, 6888), (2730, 6724), (2870, 6396), (3198, 5740), (3362, 5460), (3444, 5330), (3640, 5043), (3731, 4920), (4264, 4305)]