39900720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 128549808

約数和(自身を除く): 88649088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 173, 186, 240, 248, 310, 346, 372, 465, 496, 519, 620, 692, 744, 865, 930, 961, 1038, 1240, 1384, 1488, 1730, 1860, 1922, 2076, 2480, 2595, 2768, 2883, 3460, 3720, 3844, 4152, 4805, 5190, 5363, 5766, 6920, 7440, 7688, 8304, 9610, 10380, 10726, 11532, 13840, 14415, 15376, 16089, 19220, 20760, 21452, 23064, 26815, 28830, 32178, 38440, 41520, 42904, 46128, 53630, 57660, 64356, 76880, 80445, 85808, 107260, 115320, 128712, 160890, 166253, 214520, 230640, 257424, 321780, 332506, 429040, 498759, 643560, 665012, 831265, 997518, 1287120, 1330024, 1662530, 1995036, 2493795, 2660048, 3325060, 3990072, 4987590, 6650120, 7980144, 9975180, 13300240, 19950360, 39900720]

約数ペア:

[(1, 39900720), (2, 19950360), (3, 13300240), (4, 9975180), (5, 7980144), (6, 6650120), (8, 4987590), (10, 3990072), (12, 3325060), (15, 2660048), (16, 2493795), (20, 1995036), (24, 1662530), (30, 1330024), (31, 1287120), (40, 997518), (48, 831265), (60, 665012), (62, 643560), (80, 498759), (93, 429040), (120, 332506), (124, 321780), (155, 257424), (173, 230640), (186, 214520), (240, 166253), (248, 160890), (310, 128712), (346, 115320), (372, 107260), (465, 85808), (496, 80445), (519, 76880), (620, 64356), (692, 57660), (744, 53630), (865, 46128), (930, 42904), (961, 41520), (1038, 38440), (1240, 32178), (1384, 28830), (1488, 26815), (1730, 23064), (1860, 21452), (1922, 20760), (2076, 19220), (2480, 16089), (2595, 15376), (2768, 14415), (2883, 13840), (3460, 11532), (3720, 10726), (3844, 10380), (4152, 9610), (4805, 8304), (5190, 7688), (5363, 7440), (5766, 6920)]