15679439780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{2719}}^1$

素因数の和:2961

約数の個数: 96

約数和(自身を含む): 34743582720

約数和(自身を除く): 19064142940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 131, 142, 155, 262, 284, 310, 355, 524, 620, 655, 710, 1310, 1420, 2201, 2620, 2719, 4061, 4402, 5438, 8122, 8804, 9301, 10876, 11005, 13595, 16244, 18602, 20305, 22010, 27190, 37204, 40610, 44020, 46505, 54380, 81220, 84289, 93010, 168578, 186020, 193049, 288331, 337156, 356189, 386098, 421445, 576662, 712378, 772196, 842890, 965245, 1153324, 1424756, 1441655, 1685780, 1780945, 1930490, 2883310, 3561890, 3860980, 5766620, 5984519, 7123780, 11041859, 11969038, 22083718, 23938076, 25289419, 29922595, 44167436, 50578838, 55209295, 59845190, 101157676, 110418590, 119690380, 126447095, 220837180, 252894190, 505788380, 783971989, 1567943978, 3135887956, 3919859945, 7839719890, 15679439780]

約数ペア:

[(1, 15679439780), (2, 7839719890), (4, 3919859945), (5, 3135887956), (10, 1567943978), (20, 783971989), (31, 505788380), (62, 252894190), (71, 220837180), (124, 126447095), (131, 119690380), (142, 110418590), (155, 101157676), (262, 59845190), (284, 55209295), (310, 50578838), (355, 44167436), (524, 29922595), (620, 25289419), (655, 23938076), (710, 22083718), (1310, 11969038), (1420, 11041859), (2201, 7123780), (2620, 5984519), (2719, 5766620), (4061, 3860980), (4402, 3561890), (5438, 2883310), (8122, 1930490), (8804, 1780945), (9301, 1685780), (10876, 1441655), (11005, 1424756), (13595, 1153324), (16244, 965245), (18602, 842890), (20305, 772196), (22010, 712378), (27190, 576662), (37204, 421445), (40610, 386098), (44020, 356189), (46505, 337156), (54380, 288331), (81220, 193049), (84289, 186020), (93010, 168578)]