28480140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4057}}^1$

素因数の和:4088

約数の個数: 96

約数和(自身を含む): 95444160

約数和(自身を除く): 66964020

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, 4057, 7020, 8114, 12171, 16228, 20285, 24342, 36513, 40570, 48684, 52741, 60855, 73026, 81140, 105482, 109539, 121710, 146052, 158223, 182565, 210964, 219078, 243420, 263705, 316446, 365130, 438156, 474669, 527410, 547695, 632892, 730260, 791115, 949338, 1054820, 1095390, 1424007, 1582230, 1898676, 2190780, 2373345, 2848014, 3164460, 4746690, 5696028, 7120035, 9493380, 14240070, 28480140]

約数ペア:

[(1, 28480140), (2, 14240070), (3, 9493380), (4, 7120035), (5, 5696028), (6, 4746690), (9, 3164460), (10, 2848014), (12, 2373345), (13, 2190780), (15, 1898676), (18, 1582230), (20, 1424007), (26, 1095390), (27, 1054820), (30, 949338), (36, 791115), (39, 730260), (45, 632892), (52, 547695), (54, 527410), (60, 474669), (65, 438156), (78, 365130), (90, 316446), (108, 263705), (117, 243420), (130, 219078), (135, 210964), (156, 182565), (180, 158223), (195, 146052), (234, 121710), (260, 109539), (270, 105482), (351, 81140), (390, 73026), (468, 60855), (540, 52741), (585, 48684), (702, 40570), (780, 36513), (1170, 24342), (1404, 20285), (1755, 16228), (2340, 12171), (3510, 8114), (4057, 7020)]