28718820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4091}}^1$

素因数の和:4122

約数の個数: 96

約数和(自身を含む): 96243840

約数和(自身を除く): 67525020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 4091, 7020, 8182, 12273, 16364, 20455, 24546, 36819, 40910, 49092, 53183, 61365, 73638, 81820, 106366, 110457, 122730, 147276, 159549, 184095, 212732, 220914, 245460, 265915, 319098, 368190, 441828, 478647, 531830, 552285, 638196, 736380, 797745, 957294, 1063660, 1104570, 1435941, 1595490, 1914588, 2209140, 2393235, 2871882, 3190980, 4786470, 5743764, 7179705, 9572940, 14359410, 28718820]

約数ペア:

[(1, 28718820), (2, 14359410), (3, 9572940), (4, 7179705), (5, 5743764), (6, 4786470), (9, 3190980), (10, 2871882), (12, 2393235), (13, 2209140), (15, 1914588), (18, 1595490), (20, 1435941), (26, 1104570), (27, 1063660), (30, 957294), (36, 797745), (39, 736380), (45, 638196), (52, 552285), (54, 531830), (60, 478647), (65, 441828), (78, 368190), (90, 319098), (108, 265915), (117, 245460), (130, 220914), (135, 212732), (156, 184095), (180, 159549), (195, 147276), (234, 122730), (260, 110457), (270, 106366), (351, 81820), (390, 73638), (468, 61365), (540, 53183), (585, 49092), (702, 40910), (780, 36819), (1170, 24546), (1404, 20455), (1755, 16364), (2340, 12273), (3510, 8182), (4091, 7020)]