260661720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1297

約数の個数: 128

約数和(自身を含む): 858574080

約数和(自身を除く): 597912360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 181, 220, 264, 330, 362, 440, 543, 660, 724, 905, 1086, 1091, 1320, 1448, 1810, 1991, 2172, 2182, 2715, 3273, 3620, 3982, 4344, 4364, 5430, 5455, 5973, 6546, 7240, 7964, 8728, 9955, 10860, 10910, 11946, 12001, 13092, 15928, 16365, 19910, 21720, 21820, 23892, 24002, 26184, 29865, 32730, 36003, 39820, 43640, 47784, 48004, 59730, 60005, 65460, 72006, 79640, 96008, 119460, 120010, 130920, 144012, 180015, 197471, 238920, 240020, 288024, 360030, 394942, 480040, 592413, 720060, 789884, 987355, 1184826, 1440120, 1579768, 1974710, 2172181, 2369652, 2962065, 3949420, 4344362, 4739304, 5924130, 6516543, 7898840, 8688724, 10860905, 11848260, 13033086, 17377448, 21721810, 23696520, 26066172, 32582715, 43443620, 52132344, 65165430, 86887240, 130330860, 260661720]

約数ペア:

[(1, 260661720), (2, 130330860), (3, 86887240), (4, 65165430), (5, 52132344), (6, 43443620), (8, 32582715), (10, 26066172), (11, 23696520), (12, 21721810), (15, 17377448), (20, 13033086), (22, 11848260), (24, 10860905), (30, 8688724), (33, 7898840), (40, 6516543), (44, 5924130), (55, 4739304), (60, 4344362), (66, 3949420), (88, 2962065), (110, 2369652), (120, 2172181), (132, 1974710), (165, 1579768), (181, 1440120), (220, 1184826), (264, 987355), (330, 789884), (362, 720060), (440, 592413), (543, 480040), (660, 394942), (724, 360030), (905, 288024), (1086, 240020), (1091, 238920), (1320, 197471), (1448, 180015), (1810, 144012), (1991, 130920), (2172, 120010), (2182, 119460), (2715, 96008), (3273, 79640), (3620, 72006), (3982, 65460), (4344, 60005), (4364, 59730), (5430, 48004), (5455, 47784), (5973, 43640), (6546, 39820), (7240, 36003), (7964, 32730), (8728, 29865), (9955, 26184), (10860, 24002), (10910, 23892), (11946, 21820), (12001, 21720), (13092, 19910), (15928, 16365)]