28868580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 96161520

約数和(自身を除く): 67292940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 169, 180, 195, 219, 234, 260, 292, 338, 365, 390, 438, 468, 507, 585, 657, 676, 730, 780, 845, 876, 949, 1014, 1095, 1170, 1314, 1460, 1521, 1690, 1898, 2028, 2190, 2197, 2340, 2535, 2628, 2847, 3042, 3285, 3380, 3796, 4380, 4394, 4745, 5070, 5694, 6084, 6570, 6591, 7605, 8541, 8788, 9490, 10140, 10985, 11388, 12337, 13140, 13182, 14235, 15210, 17082, 18980, 19773, 21970, 24674, 26364, 28470, 30420, 32955, 34164, 37011, 39546, 42705, 43940, 49348, 56940, 61685, 65910, 74022, 79092, 85410, 98865, 111033, 123370, 131820, 148044, 160381, 170820, 185055, 197730, 222066, 246740, 320762, 370110, 395460, 444132, 481143, 555165, 641524, 740220, 801905, 962286, 1110330, 1443429, 1603810, 1924572, 2220660, 2405715, 2886858, 3207620, 4811430, 5773716, 7217145, 9622860, 14434290, 28868580]

約数ペア:

[(1, 28868580), (2, 14434290), (3, 9622860), (4, 7217145), (5, 5773716), (6, 4811430), (9, 3207620), (10, 2886858), (12, 2405715), (13, 2220660), (15, 1924572), (18, 1603810), (20, 1443429), (26, 1110330), (30, 962286), (36, 801905), (39, 740220), (45, 641524), (52, 555165), (60, 481143), (65, 444132), (73, 395460), (78, 370110), (90, 320762), (117, 246740), (130, 222066), (146, 197730), (156, 185055), (169, 170820), (180, 160381), (195, 148044), (219, 131820), (234, 123370), (260, 111033), (292, 98865), (338, 85410), (365, 79092), (390, 74022), (438, 65910), (468, 61685), (507, 56940), (585, 49348), (657, 43940), (676, 42705), (730, 39546), (780, 37011), (845, 34164), (876, 32955), (949, 30420), (1014, 28470), (1095, 26364), (1170, 24674), (1314, 21970), (1460, 19773), (1521, 18980), (1690, 17082), (1898, 15210), (2028, 14235), (2190, 13182), (2197, 13140), (2340, 12337), (2535, 11388), (2628, 10985), (2847, 10140), (3042, 9490), (3285, 8788), (3380, 8541), (3796, 7605), (4380, 6591), (4394, 6570), (4745, 6084), (5070, 5694)]