6661980

素因数分解:

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

素因数の和:117

約数の個数: 144

約数和(自身を含む): 22750560

約数和(自身を除く): 16088580

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, 73, 78, 90, 108, 117, 130, 135, 146, 156, 169, 180, 195, 219, 234, 260, 270, 292, 338, 351, 365, 390, 438, 468, 507, 540, 585, 657, 676, 702, 730, 780, 845, 876, 949, 1014, 1095, 1170, 1314, 1404, 1460, 1521, 1690, 1755, 1898, 1971, 2028, 2190, 2340, 2535, 2628, 2847, 3042, 3285, 3380, 3510, 3796, 3942, 4380, 4563, 4745, 5070, 5694, 6084, 6570, 7020, 7605, 7884, 8541, 9126, 9490, 9855, 10140, 11388, 12337, 13140, 14235, 15210, 17082, 18252, 18980, 19710, 22815, 24674, 25623, 28470, 30420, 34164, 37011, 39420, 42705, 45630, 49348, 51246, 56940, 61685, 74022, 85410, 91260, 102492, 111033, 123370, 128115, 148044, 170820, 185055, 222066, 246740, 256230, 333099, 370110, 444132, 512460, 555165, 666198, 740220, 1110330, 1332396, 1665495, 2220660, 3330990, 6661980]

約数ペア:

[(1, 6661980), (2, 3330990), (3, 2220660), (4, 1665495), (5, 1332396), (6, 1110330), (9, 740220), (10, 666198), (12, 555165), (13, 512460), (15, 444132), (18, 370110), (20, 333099), (26, 256230), (27, 246740), (30, 222066), (36, 185055), (39, 170820), (45, 148044), (52, 128115), (54, 123370), (60, 111033), (65, 102492), (73, 91260), (78, 85410), (90, 74022), (108, 61685), (117, 56940), (130, 51246), (135, 49348), (146, 45630), (156, 42705), (169, 39420), (180, 37011), (195, 34164), (219, 30420), (234, 28470), (260, 25623), (270, 24674), (292, 22815), (338, 19710), (351, 18980), (365, 18252), (390, 17082), (438, 15210), (468, 14235), (507, 13140), (540, 12337), (585, 11388), (657, 10140), (676, 9855), (702, 9490), (730, 9126), (780, 8541), (845, 7884), (876, 7605), (949, 7020), (1014, 6570), (1095, 6084), (1170, 5694), (1314, 5070), (1404, 4745), (1460, 4563), (1521, 4380), (1690, 3942), (1755, 3796), (1898, 3510), (1971, 3380), (2028, 3285), (2190, 3042), (2340, 2847), (2535, 2628)]