263531280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64591}}^1$

素因数の和:64624

約数の個数: 80

約数和(自身を含む): 865016064

約数和(自身を除く): 601484784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 64591, 129182, 193773, 258364, 322955, 387546, 516728, 645910, 775092, 968865, 1033456, 1098047, 1291820, 1550184, 1937730, 2196094, 2583640, 3100368, 3294141, 3875460, 4392188, 5167280, 5490235, 6588282, 7750920, 8784376, 10980470, 13176564, 15501840, 16470705, 17568752, 21960940, 26353128, 32941410, 43921880, 52706256, 65882820, 87843760, 131765640, 263531280]

約数ペア:

[(1, 263531280), (2, 131765640), (3, 87843760), (4, 65882820), (5, 52706256), (6, 43921880), (8, 32941410), (10, 26353128), (12, 21960940), (15, 17568752), (16, 16470705), (17, 15501840), (20, 13176564), (24, 10980470), (30, 8784376), (34, 7750920), (40, 6588282), (48, 5490235), (51, 5167280), (60, 4392188), (68, 3875460), (80, 3294141), (85, 3100368), (102, 2583640), (120, 2196094), (136, 1937730), (170, 1550184), (204, 1291820), (240, 1098047), (255, 1033456), (272, 968865), (340, 775092), (408, 645910), (510, 516728), (680, 387546), (816, 322955), (1020, 258364), (1360, 193773), (2040, 129182), (4080, 64591)]