78983940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2113}}^1$

素因数の和:2221

約数の個数: 96

約数和(自身を含む): 255709440

約数和(自身を除く): 176725500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1869, 2113, 2492, 2670, 3115, 3738, 4226, 5340, 6230, 6339, 7476, 8452, 9345, 10565, 12460, 12678, 14791, 18690, 21130, 25356, 29582, 31695, 37380, 42260, 44373, 59164, 63390, 73955, 88746, 126780, 147910, 177492, 188057, 221865, 295820, 376114, 443730, 564171, 752228, 887460, 940285, 1128342, 1316399, 1880570, 2256684, 2632798, 2820855, 3761140, 3949197, 5265596, 5641710, 6581995, 7898394, 11283420, 13163990, 15796788, 19745985, 26327980, 39491970, 78983940]

約数ペア:

[(1, 78983940), (2, 39491970), (3, 26327980), (4, 19745985), (5, 15796788), (6, 13163990), (7, 11283420), (10, 7898394), (12, 6581995), (14, 5641710), (15, 5265596), (20, 3949197), (21, 3761140), (28, 2820855), (30, 2632798), (35, 2256684), (42, 1880570), (60, 1316399), (70, 1128342), (84, 940285), (89, 887460), (105, 752228), (140, 564171), (178, 443730), (210, 376114), (267, 295820), (356, 221865), (420, 188057), (445, 177492), (534, 147910), (623, 126780), (890, 88746), (1068, 73955), (1246, 63390), (1335, 59164), (1780, 44373), (1869, 42260), (2113, 37380), (2492, 31695), (2670, 29582), (3115, 25356), (3738, 21130), (4226, 18690), (5340, 14791), (6230, 12678), (6339, 12460), (7476, 10565), (8452, 9345)]