1278902320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{5683}}^1$

素因数の和:5822

約数の個数: 80

約数和(自身を含む): 3108238560

約数和(自身を除く): 1829336240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 97, 116, 145, 194, 232, 290, 388, 464, 485, 580, 776, 970, 1160, 1552, 1940, 2320, 2813, 3880, 5626, 5683, 7760, 11252, 11366, 14065, 22504, 22732, 28130, 28415, 45008, 45464, 56260, 56830, 90928, 112520, 113660, 164807, 225040, 227320, 329614, 454640, 551251, 659228, 824035, 1102502, 1318456, 1648070, 2205004, 2636912, 2756255, 3296140, 4410008, 5512510, 6592280, 8820016, 11025020, 13184560, 15986279, 22050040, 31972558, 44100080, 63945116, 79931395, 127890232, 159862790, 255780464, 319725580, 639451160, 1278902320]

約数ペア:

[(1, 1278902320), (2, 639451160), (4, 319725580), (5, 255780464), (8, 159862790), (10, 127890232), (16, 79931395), (20, 63945116), (29, 44100080), (40, 31972558), (58, 22050040), (80, 15986279), (97, 13184560), (116, 11025020), (145, 8820016), (194, 6592280), (232, 5512510), (290, 4410008), (388, 3296140), (464, 2756255), (485, 2636912), (580, 2205004), (776, 1648070), (970, 1318456), (1160, 1102502), (1552, 824035), (1940, 659228), (2320, 551251), (2813, 454640), (3880, 329614), (5626, 227320), (5683, 225040), (7760, 164807), (11252, 113660), (11366, 112520), (14065, 90928), (22504, 56830), (22732, 56260), (28130, 45464), (28415, 45008)]