71500880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2676

約数の個数: 80

約数和(自身を含む): 187273728

約数和(自身を除く): 115772848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2621, 2728, 3410, 5242, 5456, 6820, 10484, 13105, 13640, 20968, 26210, 27280, 28831, 41936, 52420, 57662, 81251, 104840, 115324, 144155, 162502, 209680, 230648, 288310, 325004, 406255, 461296, 576620, 650008, 812510, 893761, 1153240, 1300016, 1625020, 1787522, 2306480, 3250040, 3575044, 4468805, 6500080, 7150088, 8937610, 14300176, 17875220, 35750440, 71500880]

約数ペア:

[(1, 71500880), (2, 35750440), (4, 17875220), (5, 14300176), (8, 8937610), (10, 7150088), (11, 6500080), (16, 4468805), (20, 3575044), (22, 3250040), (31, 2306480), (40, 1787522), (44, 1625020), (55, 1300016), (62, 1153240), (80, 893761), (88, 812510), (110, 650008), (124, 576620), (155, 461296), (176, 406255), (220, 325004), (248, 288310), (310, 230648), (341, 209680), (440, 162502), (496, 144155), (620, 115324), (682, 104840), (880, 81251), (1240, 57662), (1364, 52420), (1705, 41936), (2480, 28831), (2621, 27280), (2728, 26210), (3410, 20968), (5242, 13640), (5456, 13105), (6820, 10484)]