31310720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 88862400

約数和(自身を除く): 57551680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 241, 280, 290, 320, 406, 448, 464, 482, 560, 580, 640, 812, 896, 928, 964, 1015, 1120, 1160, 1205, 1624, 1687, 1856, 1928, 2030, 2240, 2320, 2410, 3248, 3374, 3712, 3856, 4060, 4480, 4640, 4820, 6496, 6748, 6989, 7712, 8120, 8435, 9280, 9640, 12992, 13496, 13978, 15424, 16240, 16870, 18560, 19280, 25984, 26992, 27956, 30848, 32480, 33740, 34945, 38560, 48923, 53984, 55912, 64960, 67480, 69890, 77120, 97846, 107968, 111824, 129920, 134960, 139780, 154240, 195692, 215936, 223648, 244615, 269920, 279560, 391384, 447296, 489230, 539840, 559120, 782768, 894592, 978460, 1079680, 1118240, 1565536, 1956920, 2236480, 3131072, 3913840, 4472960, 6262144, 7827680, 15655360, 31310720]

約数ペア:

[(1, 31310720), (2, 15655360), (4, 7827680), (5, 6262144), (7, 4472960), (8, 3913840), (10, 3131072), (14, 2236480), (16, 1956920), (20, 1565536), (28, 1118240), (29, 1079680), (32, 978460), (35, 894592), (40, 782768), (56, 559120), (58, 539840), (64, 489230), (70, 447296), (80, 391384), (112, 279560), (116, 269920), (128, 244615), (140, 223648), (145, 215936), (160, 195692), (203, 154240), (224, 139780), (232, 134960), (241, 129920), (280, 111824), (290, 107968), (320, 97846), (406, 77120), (448, 69890), (464, 67480), (482, 64960), (560, 55912), (580, 53984), (640, 48923), (812, 38560), (896, 34945), (928, 33740), (964, 32480), (1015, 30848), (1120, 27956), (1160, 26992), (1205, 25984), (1624, 19280), (1687, 18560), (1856, 16870), (1928, 16240), (2030, 15424), (2240, 13978), (2320, 13496), (2410, 12992), (3248, 9640), (3374, 9280), (3712, 8435), (3856, 8120), (4060, 7712), (4480, 6989), (4640, 6748), (4820, 6496)]