1231208680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 256

約数和(自身を含む): 3353011200

約数和(自身を除く): 2121802520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 41, 43, 52, 65, 68, 79, 82, 85, 86, 104, 130, 136, 158, 164, 170, 172, 205, 215, 221, 260, 316, 328, 340, 344, 395, 410, 430, 442, 520, 533, 559, 632, 680, 697, 731, 790, 820, 860, 884, 1027, 1066, 1105, 1118, 1343, 1394, 1462, 1580, 1640, 1720, 1763, 1768, 2054, 2132, 2210, 2236, 2665, 2686, 2788, 2795, 2924, 3160, 3239, 3397, 3485, 3526, 3655, 4108, 4264, 4420, 4472, 5135, 5330, 5372, 5576, 5590, 5848, 6478, 6715, 6794, 6970, 7052, 7310, 8216, 8815, 8840, 9061, 9503, 10270, 10660, 10744, 11180, 12956, 13430, 13588, 13940, 14104, 14620, 16195, 16985, 17459, 17630, 18122, 19006, 20540, 21320, 22360, 22919, 25912, 26860, 27176, 27880, 29240, 29971, 32390, 33970, 34918, 35260, 36244, 38012, 41080, 42107, 44161, 45305, 45838, 47515, 53720, 55063, 57749, 59942, 64780, 67940, 69836, 70520, 72488, 76024, 84214, 87295, 88322, 90610, 91676, 95030, 110126, 114595, 115498, 119884, 129560, 135880, 139277, 139672, 149855, 168428, 174590, 176644, 181220, 183352, 190060, 210535, 220252, 220805, 229190, 230996, 239768, 275315, 278554, 288745, 299710, 336856, 349180, 353288, 362440, 380120, 389623, 421070, 440504, 441610, 458380, 461992, 550630, 557108, 577490, 599420, 696385, 698360, 715819, 750737, 779246, 842140, 883220, 916760, 1101260, 1114216, 1154980, 1198840, 1392770, 1431638, 1501474, 1558492, 1684280, 1766440, 1810601, 1948115, 2202520, 2309960, 2367709, 2785540, 2863276, 3002948, 3116984, 3579095, 3621202, 3753685, 3896230, 4735418, 5571080, 5726552, 6005896, 7158190, 7242404, 7507370, 7792460, 9053005, 9470836, 11838545, 14316380, 14484808, 15014740, 15584920, 18106010, 18941672, 23677090, 28632760, 30029480, 30780217, 36212020, 47354180, 61560434, 72424040, 94708360, 123120868, 153901085, 246241736, 307802170, 615604340, 1231208680]

約数ペア:

[(1, 1231208680), (2, 615604340), (4, 307802170), (5, 246241736), (8, 153901085), (10, 123120868), (13, 94708360), (17, 72424040), (20, 61560434), (26, 47354180), (34, 36212020), (40, 30780217), (41, 30029480), (43, 28632760), (52, 23677090), (65, 18941672), (68, 18106010), (79, 15584920), (82, 15014740), (85, 14484808), (86, 14316380), (104, 11838545), (130, 9470836), (136, 9053005), (158, 7792460), (164, 7507370), (170, 7242404), (172, 7158190), (205, 6005896), (215, 5726552), (221, 5571080), (260, 4735418), (316, 3896230), (328, 3753685), (340, 3621202), (344, 3579095), (395, 3116984), (410, 3002948), (430, 2863276), (442, 2785540), (520, 2367709), (533, 2309960), (559, 2202520), (632, 1948115), (680, 1810601), (697, 1766440), (731, 1684280), (790, 1558492), (820, 1501474), (860, 1431638), (884, 1392770), (1027, 1198840), (1066, 1154980), (1105, 1114216), (1118, 1101260), (1343, 916760), (1394, 883220), (1462, 842140), (1580, 779246), (1640, 750737), (1720, 715819), (1763, 698360), (1768, 696385), (2054, 599420), (2132, 577490), (2210, 557108), (2236, 550630), (2665, 461992), (2686, 458380), (2788, 441610), (2795, 440504), (2924, 421070), (3160, 389623), (3239, 380120), (3397, 362440), (3485, 353288), (3526, 349180), (3655, 336856), (4108, 299710), (4264, 288745), (4420, 278554), (4472, 275315), (5135, 239768), (5330, 230996), (5372, 229190), (5576, 220805), (5590, 220252), (5848, 210535), (6478, 190060), (6715, 183352), (6794, 181220), (6970, 176644), (7052, 174590), (7310, 168428), (8216, 149855), (8815, 139672), (8840, 139277), (9061, 135880), (9503, 129560), (10270, 119884), (10660, 115498), (10744, 114595), (11180, 110126), (12956, 95030), (13430, 91676), (13588, 90610), (13940, 88322), (14104, 87295), (14620, 84214), (16195, 76024), (16985, 72488), (17459, 70520), (17630, 69836), (18122, 67940), (19006, 64780), (20540, 59942), (21320, 57749), (22360, 55063), (22919, 53720), (25912, 47515), (26860, 45838), (27176, 45305), (27880, 44161), (29240, 42107), (29971, 41080), (32390, 38012), (33970, 36244), (34918, 35260)]