28151820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1409}}^1$

素因数の和:1464

約数の個数: 96

約数和(自身を含む): 90014400

約数和(自身を除く): 61862580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1409, 1665, 1998, 2220, 2818, 3330, 3996, 4227, 4995, 5636, 6660, 7045, 8454, 9990, 12681, 14090, 16908, 19980, 21135, 25362, 28180, 38043, 42270, 50724, 52133, 63405, 76086, 84540, 104266, 126810, 152172, 156399, 190215, 208532, 253620, 260665, 312798, 380430, 469197, 521330, 625596, 760860, 781995, 938394, 1042660, 1407591, 1563990, 1876788, 2345985, 2815182, 3127980, 4691970, 5630364, 7037955, 9383940, 14075910, 28151820]

約数ペア:

[(1, 28151820), (2, 14075910), (3, 9383940), (4, 7037955), (5, 5630364), (6, 4691970), (9, 3127980), (10, 2815182), (12, 2345985), (15, 1876788), (18, 1563990), (20, 1407591), (27, 1042660), (30, 938394), (36, 781995), (37, 760860), (45, 625596), (54, 521330), (60, 469197), (74, 380430), (90, 312798), (108, 260665), (111, 253620), (135, 208532), (148, 190215), (180, 156399), (185, 152172), (222, 126810), (270, 104266), (333, 84540), (370, 76086), (444, 63405), (540, 52133), (555, 50724), (666, 42270), (740, 38043), (999, 28180), (1110, 25362), (1332, 21135), (1409, 19980), (1665, 16908), (1998, 14090), (2220, 12681), (2818, 9990), (3330, 8454), (3996, 7045), (4227, 6660), (4995, 5636)]