31722880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 88764480

約数和(自身を除く): 57041600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 97, 112, 128, 140, 146, 160, 194, 224, 280, 292, 320, 365, 388, 448, 485, 511, 560, 584, 640, 679, 730, 776, 896, 970, 1022, 1120, 1168, 1358, 1460, 1552, 1940, 2044, 2240, 2336, 2555, 2716, 2920, 3104, 3395, 3880, 4088, 4480, 4672, 5110, 5432, 5840, 6208, 6790, 7081, 7760, 8176, 9344, 10220, 10864, 11680, 12416, 13580, 14162, 15520, 16352, 20440, 21728, 23360, 27160, 28324, 31040, 32704, 35405, 40880, 43456, 46720, 49567, 54320, 56648, 62080, 65408, 70810, 81760, 86912, 99134, 108640, 113296, 141620, 163520, 198268, 217280, 226592, 247835, 283240, 327040, 396536, 434560, 453184, 495670, 566480, 793072, 906368, 991340, 1132960, 1586144, 1982680, 2265920, 3172288, 3965360, 4531840, 6344576, 7930720, 15861440, 31722880]

約数ペア:

[(1, 31722880), (2, 15861440), (4, 7930720), (5, 6344576), (7, 4531840), (8, 3965360), (10, 3172288), (14, 2265920), (16, 1982680), (20, 1586144), (28, 1132960), (32, 991340), (35, 906368), (40, 793072), (56, 566480), (64, 495670), (70, 453184), (73, 434560), (80, 396536), (97, 327040), (112, 283240), (128, 247835), (140, 226592), (146, 217280), (160, 198268), (194, 163520), (224, 141620), (280, 113296), (292, 108640), (320, 99134), (365, 86912), (388, 81760), (448, 70810), (485, 65408), (511, 62080), (560, 56648), (584, 54320), (640, 49567), (679, 46720), (730, 43456), (776, 40880), (896, 35405), (970, 32704), (1022, 31040), (1120, 28324), (1168, 27160), (1358, 23360), (1460, 21728), (1552, 20440), (1940, 16352), (2044, 15520), (2240, 14162), (2336, 13580), (2555, 12416), (2716, 11680), (2920, 10864), (3104, 10220), (3395, 9344), (3880, 8176), (4088, 7760), (4480, 7081), (4672, 6790), (5110, 6208), (5432, 5840)]