181504920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 580789440

約数和(自身を除く): 399284520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 193, 204, 255, 340, 386, 408, 461, 510, 579, 680, 772, 922, 965, 1020, 1158, 1383, 1544, 1844, 1930, 2040, 2305, 2316, 2766, 2895, 3281, 3688, 3860, 4610, 4632, 5532, 5790, 6562, 6915, 7720, 7837, 9220, 9843, 11064, 11580, 13124, 13830, 15674, 16405, 18440, 19686, 23160, 23511, 26248, 27660, 31348, 32810, 39185, 39372, 47022, 49215, 55320, 62696, 65620, 78370, 78744, 88973, 94044, 98430, 117555, 131240, 156740, 177946, 188088, 196860, 235110, 266919, 313480, 355892, 393720, 444865, 470220, 533838, 711784, 889730, 940440, 1067676, 1334595, 1512541, 1779460, 2135352, 2669190, 3025082, 3558920, 4537623, 5338380, 6050164, 7562705, 9075246, 10676760, 12100328, 15125410, 18150492, 22688115, 30250820, 36300984, 45376230, 60501640, 90752460, 181504920]

約数ペア:

[(1, 181504920), (2, 90752460), (3, 60501640), (4, 45376230), (5, 36300984), (6, 30250820), (8, 22688115), (10, 18150492), (12, 15125410), (15, 12100328), (17, 10676760), (20, 9075246), (24, 7562705), (30, 6050164), (34, 5338380), (40, 4537623), (51, 3558920), (60, 3025082), (68, 2669190), (85, 2135352), (102, 1779460), (120, 1512541), (136, 1334595), (170, 1067676), (193, 940440), (204, 889730), (255, 711784), (340, 533838), (386, 470220), (408, 444865), (461, 393720), (510, 355892), (579, 313480), (680, 266919), (772, 235110), (922, 196860), (965, 188088), (1020, 177946), (1158, 156740), (1383, 131240), (1544, 117555), (1844, 98430), (1930, 94044), (2040, 88973), (2305, 78744), (2316, 78370), (2766, 65620), (2895, 62696), (3281, 55320), (3688, 49215), (3860, 47022), (4610, 39372), (4632, 39185), (5532, 32810), (5790, 31348), (6562, 27660), (6915, 26248), (7720, 23511), (7837, 23160), (9220, 19686), (9843, 18440), (11064, 16405), (11580, 15674), (13124, 13830)]