155813440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 389168640

約数和(自身を除く): 233355200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 113, 124, 139, 155, 160, 226, 248, 278, 310, 320, 452, 496, 556, 565, 620, 695, 904, 992, 1112, 1130, 1240, 1390, 1808, 1984, 2224, 2260, 2480, 2780, 3503, 3616, 4309, 4448, 4520, 4960, 5560, 7006, 7232, 8618, 8896, 9040, 9920, 11120, 14012, 15707, 17236, 17515, 18080, 21545, 22240, 28024, 31414, 34472, 35030, 36160, 43090, 44480, 56048, 62828, 68944, 70060, 78535, 86180, 112096, 125656, 137888, 140120, 157070, 172360, 224192, 251312, 275776, 280240, 314140, 344720, 486917, 502624, 560480, 628280, 689440, 973834, 1005248, 1120960, 1256560, 1378880, 1947668, 2434585, 2513120, 3895336, 4869170, 5026240, 7790672, 9738340, 15581344, 19476680, 31162688, 38953360, 77906720, 155813440]

約数ペア:

[(1, 155813440), (2, 77906720), (4, 38953360), (5, 31162688), (8, 19476680), (10, 15581344), (16, 9738340), (20, 7790672), (31, 5026240), (32, 4869170), (40, 3895336), (62, 2513120), (64, 2434585), (80, 1947668), (113, 1378880), (124, 1256560), (139, 1120960), (155, 1005248), (160, 973834), (226, 689440), (248, 628280), (278, 560480), (310, 502624), (320, 486917), (452, 344720), (496, 314140), (556, 280240), (565, 275776), (620, 251312), (695, 224192), (904, 172360), (992, 157070), (1112, 140120), (1130, 137888), (1240, 125656), (1390, 112096), (1808, 86180), (1984, 78535), (2224, 70060), (2260, 68944), (2480, 62828), (2780, 56048), (3503, 44480), (3616, 43090), (4309, 36160), (4448, 35030), (4520, 34472), (4960, 31414), (5560, 28024), (7006, 22240), (7232, 21545), (8618, 18080), (8896, 17515), (9040, 17236), (9920, 15707), (11120, 14012)]