19802280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 63217440

約数和(自身を除く): 43415160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 289, 340, 408, 510, 571, 578, 680, 867, 1020, 1142, 1156, 1445, 1713, 1734, 2040, 2284, 2312, 2855, 2890, 3426, 3468, 4335, 4568, 5710, 5780, 6852, 6936, 8565, 8670, 9707, 11420, 11560, 13704, 17130, 17340, 19414, 22840, 29121, 34260, 34680, 38828, 48535, 58242, 68520, 77656, 97070, 116484, 145605, 165019, 194140, 232968, 291210, 330038, 388280, 495057, 582420, 660076, 825095, 990114, 1164840, 1320152, 1650190, 1980228, 2475285, 3300380, 3960456, 4950570, 6600760, 9901140, 19802280]

約数ペア:

[(1, 19802280), (2, 9901140), (3, 6600760), (4, 4950570), (5, 3960456), (6, 3300380), (8, 2475285), (10, 1980228), (12, 1650190), (15, 1320152), (17, 1164840), (20, 990114), (24, 825095), (30, 660076), (34, 582420), (40, 495057), (51, 388280), (60, 330038), (68, 291210), (85, 232968), (102, 194140), (120, 165019), (136, 145605), (170, 116484), (204, 97070), (255, 77656), (289, 68520), (340, 58242), (408, 48535), (510, 38828), (571, 34680), (578, 34260), (680, 29121), (867, 22840), (1020, 19414), (1142, 17340), (1156, 17130), (1445, 13704), (1713, 11560), (1734, 11420), (2040, 9707), (2284, 8670), (2312, 8565), (2855, 6936), (2890, 6852), (3426, 5780), (3468, 5710), (4335, 4568)]