28610120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1327}}^1$

素因数の和:1363

約数の個数: 96

約数和(自身を含む): 81751680

約数和(自身を除く): 53141560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1327, 1540, 1960, 2156, 2654, 2695, 3080, 4312, 5308, 5390, 6635, 9289, 10616, 10780, 13270, 14597, 18578, 21560, 26540, 29194, 37156, 46445, 53080, 58388, 65023, 72985, 74312, 92890, 102179, 116776, 130046, 145970, 185780, 204358, 260092, 291940, 325115, 371560, 408716, 510895, 520184, 583880, 650230, 715253, 817432, 1021790, 1300460, 1430506, 2043580, 2600920, 2861012, 3576265, 4087160, 5722024, 7152530, 14305060, 28610120]

約数ペア:

[(1, 28610120), (2, 14305060), (4, 7152530), (5, 5722024), (7, 4087160), (8, 3576265), (10, 2861012), (11, 2600920), (14, 2043580), (20, 1430506), (22, 1300460), (28, 1021790), (35, 817432), (40, 715253), (44, 650230), (49, 583880), (55, 520184), (56, 510895), (70, 408716), (77, 371560), (88, 325115), (98, 291940), (110, 260092), (140, 204358), (154, 185780), (196, 145970), (220, 130046), (245, 116776), (280, 102179), (308, 92890), (385, 74312), (392, 72985), (440, 65023), (490, 58388), (539, 53080), (616, 46445), (770, 37156), (980, 29194), (1078, 26540), (1327, 21560), (1540, 18578), (1960, 14597), (2156, 13270), (2654, 10780), (2695, 10616), (3080, 9289), (4312, 6635), (5308, 5390)]