68864917760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1735507}}^1$

素因数の和:1735559

約数の個数: 72

約数和(自身を含む): 170274160896

約数和(自身を除く): 101409243136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 1735507, 3471014, 6942028, 8677535, 13884056, 17355070, 27768112, 34710140, 53800717, 55536224, 69420280, 107601434, 111072448, 138840560, 215202868, 222144896, 269003585, 277681120, 430405736, 444289792, 538007170, 555362240, 860811472, 1076014340, 1110724480, 1721622944, 2152028680, 2221448960, 3443245888, 4304057360, 6886491776, 8608114720, 13772983552, 17216229440, 34432458880, 68864917760]

約数ペア:

[(1, 68864917760), (2, 34432458880), (4, 17216229440), (5, 13772983552), (8, 8608114720), (10, 6886491776), (16, 4304057360), (20, 3443245888), (31, 2221448960), (32, 2152028680), (40, 1721622944), (62, 1110724480), (64, 1076014340), (80, 860811472), (124, 555362240), (128, 538007170), (155, 444289792), (160, 430405736), (248, 277681120), (256, 269003585), (310, 222144896), (320, 215202868), (496, 138840560), (620, 111072448), (640, 107601434), (992, 69420280), (1240, 55536224), (1280, 53800717), (1984, 34710140), (2480, 27768112), (3968, 17355070), (4960, 13884056), (7936, 8677535), (9920, 6942028), (19840, 3471014), (39680, 1735507)]