28546680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10343}}^1$

素因数の和:10380

約数の個数: 64

約数和(自身を含む): 89372160

約数和(自身を除く): 60825480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 10343, 20686, 31029, 41372, 51715, 62058, 82744, 103430, 124116, 155145, 206860, 237889, 248232, 310290, 413720, 475778, 620580, 713667, 951556, 1189445, 1241160, 1427334, 1903112, 2378890, 2854668, 3568335, 4757780, 5709336, 7136670, 9515560, 14273340, 28546680]

約数ペア:

[(1, 28546680), (2, 14273340), (3, 9515560), (4, 7136670), (5, 5709336), (6, 4757780), (8, 3568335), (10, 2854668), (12, 2378890), (15, 1903112), (20, 1427334), (23, 1241160), (24, 1189445), (30, 951556), (40, 713667), (46, 620580), (60, 475778), (69, 413720), (92, 310290), (115, 248232), (120, 237889), (138, 206860), (184, 155145), (230, 124116), (276, 103430), (345, 82744), (460, 62058), (552, 51715), (690, 41372), (920, 31029), (1380, 20686), (2760, 10343)]