87890320

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{3203}}^1$

素因数の和:3237

約数の個数: 80

約数和(自身を含む): 238377600

約数和(自身を除く): 150487280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3203, 3430, 3920, 5488, 6406, 6860, 12812, 13720, 16015, 22421, 25624, 27440, 32030, 44842, 51248, 64060, 89684, 112105, 128120, 156947, 179368, 224210, 256240, 313894, 358736, 448420, 627788, 784735, 896840, 1098629, 1255576, 1569470, 1793680, 2197258, 2511152, 3138940, 4394516, 5493145, 6277880, 8789032, 10986290, 12555760, 17578064, 21972580, 43945160, 87890320]

約数ペア:

[(1, 87890320), (2, 43945160), (4, 21972580), (5, 17578064), (7, 12555760), (8, 10986290), (10, 8789032), (14, 6277880), (16, 5493145), (20, 4394516), (28, 3138940), (35, 2511152), (40, 2197258), (49, 1793680), (56, 1569470), (70, 1255576), (80, 1098629), (98, 896840), (112, 784735), (140, 627788), (196, 448420), (245, 358736), (280, 313894), (343, 256240), (392, 224210), (490, 179368), (560, 156947), (686, 128120), (784, 112105), (980, 89684), (1372, 64060), (1715, 51248), (1960, 44842), (2744, 32030), (3203, 27440), (3430, 25624), (3920, 22421), (5488, 16015), (6406, 13720), (6860, 12812)]