220341240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12491}}^1$

素因数の和:12522

約数の個数: 144

約数和(自身を含む): 833091480

約数和(自身を除く): 612750240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 12491, 17640, 24982, 37473, 49964, 62455, 74946, 87437, 99928, 112419, 124910, 149892, 174874, 187365, 224838, 249820, 262311, 299784, 349748, 374730, 437185, 449676, 499640, 524622, 562095, 612059, 699496, 749460, 786933, 874370, 899352, 1049244, 1124190, 1224118, 1311555, 1498920, 1573866, 1748740, 1836177, 2098488, 2248380, 2448236, 2623110, 3060295, 3147732, 3497480, 3672354, 3934665, 4496760, 4896472, 5246220, 5508531, 6120590, 6295464, 7344708, 7869330, 9180885, 10492440, 11017062, 12241180, 14689416, 15738660, 18361770, 22034124, 24482360, 27542655, 31477320, 36723540, 44068248, 55085310, 73447080, 110170620, 220341240]

約数ペア:

[(1, 220341240), (2, 110170620), (3, 73447080), (4, 55085310), (5, 44068248), (6, 36723540), (7, 31477320), (8, 27542655), (9, 24482360), (10, 22034124), (12, 18361770), (14, 15738660), (15, 14689416), (18, 12241180), (20, 11017062), (21, 10492440), (24, 9180885), (28, 7869330), (30, 7344708), (35, 6295464), (36, 6120590), (40, 5508531), (42, 5246220), (45, 4896472), (49, 4496760), (56, 3934665), (60, 3672354), (63, 3497480), (70, 3147732), (72, 3060295), (84, 2623110), (90, 2448236), (98, 2248380), (105, 2098488), (120, 1836177), (126, 1748740), (140, 1573866), (147, 1498920), (168, 1311555), (180, 1224118), (196, 1124190), (210, 1049244), (245, 899352), (252, 874370), (280, 786933), (294, 749460), (315, 699496), (360, 612059), (392, 562095), (420, 524622), (441, 499640), (490, 449676), (504, 437185), (588, 374730), (630, 349748), (735, 299784), (840, 262311), (882, 249820), (980, 224838), (1176, 187365), (1260, 174874), (1470, 149892), (1764, 124910), (1960, 112419), (2205, 99928), (2520, 87437), (2940, 74946), (3528, 62455), (4410, 49964), (5880, 37473), (8820, 24982), (12491, 17640)]