205469460

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{18119}}^1$

素因数の和:18147

約数の個数: 120

約数和(自身を含む): 736686720

約数和(自身を除く): 531217260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 18119, 36238, 54357, 72476, 90595, 108714, 126833, 163071, 181190, 217428, 253666, 271785, 326142, 362380, 380499, 489213, 507332, 543570, 634165, 652284, 760998, 815355, 978426, 1087140, 1141497, 1268330, 1467639, 1521996, 1630710, 1902495, 1956852, 2282994, 2446065, 2536660, 2935278, 3261420, 3424491, 3804990, 4565988, 4892130, 5707485, 5870556, 6848982, 7338195, 7609980, 9784260, 10273473, 11414970, 13697964, 14676390, 17122455, 20546946, 22829940, 29352780, 34244910, 41093892, 51367365, 68489820, 102734730, 205469460]

約数ペア:

[(1, 205469460), (2, 102734730), (3, 68489820), (4, 51367365), (5, 41093892), (6, 34244910), (7, 29352780), (9, 22829940), (10, 20546946), (12, 17122455), (14, 14676390), (15, 13697964), (18, 11414970), (20, 10273473), (21, 9784260), (27, 7609980), (28, 7338195), (30, 6848982), (35, 5870556), (36, 5707485), (42, 4892130), (45, 4565988), (54, 3804990), (60, 3424491), (63, 3261420), (70, 2935278), (81, 2536660), (84, 2446065), (90, 2282994), (105, 1956852), (108, 1902495), (126, 1630710), (135, 1521996), (140, 1467639), (162, 1268330), (180, 1141497), (189, 1087140), (210, 978426), (252, 815355), (270, 760998), (315, 652284), (324, 634165), (378, 543570), (405, 507332), (420, 489213), (540, 380499), (567, 362380), (630, 326142), (756, 271785), (810, 253666), (945, 217428), (1134, 181190), (1260, 163071), (1620, 126833), (1890, 108714), (2268, 90595), (2835, 72476), (3780, 54357), (5670, 36238), (11340, 18119)]