220407720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8311}}^1$

素因数の和:8355

約数の個数: 128

約数和(自身を含む): 754064640

約数和(自身を除く): 533656920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8311, 8840, 13260, 16622, 24933, 26520, 33244, 41555, 49866, 66488, 83110, 99732, 108043, 124665, 141287, 166220, 199464, 216086, 249330, 282574, 324129, 332440, 423861, 432172, 498660, 540215, 565148, 648258, 706435, 847722, 864344, 997320, 1080430, 1130296, 1296516, 1412870, 1620645, 1695444, 1836731, 2119305, 2160860, 2593032, 2825740, 3241290, 3390888, 3673462, 4238610, 4321720, 5510193, 5651480, 6482580, 7346924, 8477220, 9183655, 11020386, 12965160, 14693848, 16954440, 18367310, 22040772, 27550965, 36734620, 44081544, 55101930, 73469240, 110203860, 220407720]

約数ペア:

[(1, 220407720), (2, 110203860), (3, 73469240), (4, 55101930), (5, 44081544), (6, 36734620), (8, 27550965), (10, 22040772), (12, 18367310), (13, 16954440), (15, 14693848), (17, 12965160), (20, 11020386), (24, 9183655), (26, 8477220), (30, 7346924), (34, 6482580), (39, 5651480), (40, 5510193), (51, 4321720), (52, 4238610), (60, 3673462), (65, 3390888), (68, 3241290), (78, 2825740), (85, 2593032), (102, 2160860), (104, 2119305), (120, 1836731), (130, 1695444), (136, 1620645), (156, 1412870), (170, 1296516), (195, 1130296), (204, 1080430), (221, 997320), (255, 864344), (260, 847722), (312, 706435), (340, 648258), (390, 565148), (408, 540215), (442, 498660), (510, 432172), (520, 423861), (663, 332440), (680, 324129), (780, 282574), (884, 249330), (1020, 216086), (1105, 199464), (1326, 166220), (1560, 141287), (1768, 124665), (2040, 108043), (2210, 99732), (2652, 83110), (3315, 66488), (4420, 49866), (5304, 41555), (6630, 33244), (8311, 26520), (8840, 24933), (13260, 16622)]