90815120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3329}}^1$

素因数の和:3384

約数の個数: 80

約数和(自身を含む): 237841920

約数和(自身を除く): 147026800

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, 3329, 3410, 5456, 6658, 6820, 13316, 13640, 16645, 26632, 27280, 33290, 36619, 53264, 66580, 73238, 103199, 133160, 146476, 183095, 206398, 266320, 292952, 366190, 412796, 515995, 585904, 732380, 825592, 1031990, 1135189, 1464760, 1651184, 2063980, 2270378, 2929520, 4127960, 4540756, 5675945, 8255920, 9081512, 11351890, 18163024, 22703780, 45407560, 90815120]

約数ペア:

[(1, 90815120), (2, 45407560), (4, 22703780), (5, 18163024), (8, 11351890), (10, 9081512), (11, 8255920), (16, 5675945), (20, 4540756), (22, 4127960), (31, 2929520), (40, 2270378), (44, 2063980), (55, 1651184), (62, 1464760), (80, 1135189), (88, 1031990), (110, 825592), (124, 732380), (155, 585904), (176, 515995), (220, 412796), (248, 366190), (310, 292952), (341, 266320), (440, 206398), (496, 183095), (620, 146476), (682, 133160), (880, 103199), (1240, 73238), (1364, 66580), (1705, 53264), (2480, 36619), (2728, 33290), (3329, 27280), (3410, 26632), (5456, 16645), (6658, 13640), (6820, 13316)]