31226040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 128

約数和(自身を含む): 107784000

約数和(自身を除く): 76557960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 997, 1044, 1080, 1160, 1305, 1566, 1740, 1994, 2088, 2610, 2991, 3132, 3480, 3915, 3988, 4985, 5220, 5982, 6264, 7830, 7976, 8973, 9970, 10440, 11964, 14955, 15660, 17946, 19940, 23928, 26919, 28913, 29910, 31320, 35892, 39880, 44865, 53838, 57826, 59820, 71784, 86739, 89730, 107676, 115652, 119640, 134595, 144565, 173478, 179460, 215352, 231304, 260217, 269190, 289130, 346956, 358920, 433695, 520434, 538380, 578260, 693912, 780651, 867390, 1040868, 1076760, 1156520, 1301085, 1561302, 1734780, 2081736, 2602170, 3122604, 3469560, 3903255, 5204340, 6245208, 7806510, 10408680, 15613020, 31226040]

約数ペア:

[(1, 31226040), (2, 15613020), (3, 10408680), (4, 7806510), (5, 6245208), (6, 5204340), (8, 3903255), (9, 3469560), (10, 3122604), (12, 2602170), (15, 2081736), (18, 1734780), (20, 1561302), (24, 1301085), (27, 1156520), (29, 1076760), (30, 1040868), (36, 867390), (40, 780651), (45, 693912), (54, 578260), (58, 538380), (60, 520434), (72, 433695), (87, 358920), (90, 346956), (108, 289130), (116, 269190), (120, 260217), (135, 231304), (145, 215352), (174, 179460), (180, 173478), (216, 144565), (232, 134595), (261, 119640), (270, 115652), (290, 107676), (348, 89730), (360, 86739), (435, 71784), (522, 59820), (540, 57826), (580, 53838), (696, 44865), (783, 39880), (870, 35892), (997, 31320), (1044, 29910), (1080, 28913), (1160, 26919), (1305, 23928), (1566, 19940), (1740, 17946), (1994, 15660), (2088, 14955), (2610, 11964), (2991, 10440), (3132, 9970), (3480, 8973), (3915, 7976), (3988, 7830), (4985, 6264), (5220, 5982)]