78911120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 193701888

約数和(自身を除く): 114790768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 677, 752, 940, 1240, 1354, 1457, 1880, 2480, 2708, 2914, 3385, 3760, 5416, 5828, 6770, 7285, 10832, 11656, 13540, 14570, 20987, 23312, 27080, 29140, 31819, 41974, 54160, 58280, 63638, 83948, 104935, 116560, 127276, 159095, 167896, 209870, 254552, 318190, 335792, 419740, 509104, 636380, 839480, 986389, 1272760, 1678960, 1972778, 2545520, 3945556, 4931945, 7891112, 9863890, 15782224, 19727780, 39455560, 78911120]

約数ペア:

[(1, 78911120), (2, 39455560), (4, 19727780), (5, 15782224), (8, 9863890), (10, 7891112), (16, 4931945), (20, 3945556), (31, 2545520), (40, 1972778), (47, 1678960), (62, 1272760), (80, 986389), (94, 839480), (124, 636380), (155, 509104), (188, 419740), (235, 335792), (248, 318190), (310, 254552), (376, 209870), (470, 167896), (496, 159095), (620, 127276), (677, 116560), (752, 104935), (940, 83948), (1240, 63638), (1354, 58280), (1457, 54160), (1880, 41974), (2480, 31819), (2708, 29140), (2914, 27080), (3385, 23312), (3760, 20987), (5416, 14570), (5828, 13540), (6770, 11656), (7285, 10832)]