1731280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 4553280

約数和(自身を除く): 2822000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 67, 68, 76, 80, 85, 95, 134, 136, 152, 170, 190, 268, 272, 304, 323, 335, 340, 380, 536, 646, 670, 680, 760, 1072, 1139, 1273, 1292, 1340, 1360, 1520, 1615, 2278, 2546, 2584, 2680, 3230, 4556, 5092, 5168, 5360, 5695, 6365, 6460, 9112, 10184, 11390, 12730, 12920, 18224, 20368, 21641, 22780, 25460, 25840, 43282, 45560, 50920, 86564, 91120, 101840, 108205, 173128, 216410, 346256, 432820, 865640, 1731280]

約数ペア:

[(1, 1731280), (2, 865640), (4, 432820), (5, 346256), (8, 216410), (10, 173128), (16, 108205), (17, 101840), (19, 91120), (20, 86564), (34, 50920), (38, 45560), (40, 43282), (67, 25840), (68, 25460), (76, 22780), (80, 21641), (85, 20368), (95, 18224), (134, 12920), (136, 12730), (152, 11390), (170, 10184), (190, 9112), (268, 6460), (272, 6365), (304, 5695), (323, 5360), (335, 5168), (340, 5092), (380, 4556), (536, 3230), (646, 2680), (670, 2584), (680, 2546), (760, 2278), (1072, 1615), (1139, 1520), (1273, 1360), (1292, 1340)]