74992720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2804

約数の個数: 80

約数和(自身を含む): 196416000

約数和(自身を除く): 121423280

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, 2728, 2749, 3410, 5456, 5498, 6820, 10996, 13640, 13745, 21992, 27280, 27490, 30239, 43984, 54980, 60478, 85219, 109960, 120956, 151195, 170438, 219920, 241912, 302390, 340876, 426095, 483824, 604780, 681752, 852190, 937409, 1209560, 1363504, 1704380, 1874818, 2419120, 3408760, 3749636, 4687045, 6817520, 7499272, 9374090, 14998544, 18748180, 37496360, 74992720]

約数ペア:

[(1, 74992720), (2, 37496360), (4, 18748180), (5, 14998544), (8, 9374090), (10, 7499272), (11, 6817520), (16, 4687045), (20, 3749636), (22, 3408760), (31, 2419120), (40, 1874818), (44, 1704380), (55, 1363504), (62, 1209560), (80, 937409), (88, 852190), (110, 681752), (124, 604780), (155, 483824), (176, 426095), (220, 340876), (248, 302390), (310, 241912), (341, 219920), (440, 170438), (496, 151195), (620, 120956), (682, 109960), (880, 85219), (1240, 60478), (1364, 54980), (1705, 43984), (2480, 30239), (2728, 27490), (2749, 27280), (3410, 21992), (5456, 13745), (5498, 13640), (6820, 10996)]