638228520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:700

約数の個数: 192

約数和(自身を含む): 2168758800

約数和(自身を除く): 1530530280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 113, 116, 120, 145, 174, 180, 226, 232, 261, 290, 339, 348, 360, 435, 452, 522, 541, 565, 580, 678, 696, 870, 904, 1017, 1044, 1082, 1130, 1160, 1305, 1356, 1623, 1695, 1740, 2034, 2088, 2164, 2260, 2610, 2705, 2712, 3246, 3277, 3390, 3480, 4068, 4328, 4520, 4869, 5085, 5220, 5410, 6492, 6554, 6780, 8115, 8136, 9738, 9831, 10170, 10440, 10820, 12984, 13108, 13560, 15689, 16230, 16385, 19476, 19662, 20340, 21640, 24345, 26216, 29493, 31378, 32460, 32770, 38952, 39324, 40680, 47067, 48690, 49155, 58986, 61133, 62756, 64920, 65540, 78445, 78648, 94134, 97380, 98310, 117972, 122266, 125512, 131080, 141201, 147465, 156890, 183399, 188268, 194760, 196620, 235335, 235944, 244532, 282402, 294930, 305665, 313780, 366798, 376536, 393240, 470670, 489064, 550197, 564804, 589860, 611330, 627560, 706005, 733596, 916995, 941340, 1100394, 1129608, 1179720, 1222660, 1412010, 1467192, 1772857, 1833990, 1882680, 2200788, 2445320, 2750985, 2824020, 3545714, 3667980, 4401576, 5318571, 5501970, 5648040, 7091428, 7335960, 8864285, 10637142, 11003940, 14182856, 15955713, 17728570, 21274284, 22007880, 26592855, 31911426, 35457140, 42548568, 53185710, 63822852, 70914280, 79778565, 106371420, 127645704, 159557130, 212742840, 319114260, 638228520]

約数ペア:

[(1, 638228520), (2, 319114260), (3, 212742840), (4, 159557130), (5, 127645704), (6, 106371420), (8, 79778565), (9, 70914280), (10, 63822852), (12, 53185710), (15, 42548568), (18, 35457140), (20, 31911426), (24, 26592855), (29, 22007880), (30, 21274284), (36, 17728570), (40, 15955713), (45, 14182856), (58, 11003940), (60, 10637142), (72, 8864285), (87, 7335960), (90, 7091428), (113, 5648040), (116, 5501970), (120, 5318571), (145, 4401576), (174, 3667980), (180, 3545714), (226, 2824020), (232, 2750985), (261, 2445320), (290, 2200788), (339, 1882680), (348, 1833990), (360, 1772857), (435, 1467192), (452, 1412010), (522, 1222660), (541, 1179720), (565, 1129608), (580, 1100394), (678, 941340), (696, 916995), (870, 733596), (904, 706005), (1017, 627560), (1044, 611330), (1082, 589860), (1130, 564804), (1160, 550197), (1305, 489064), (1356, 470670), (1623, 393240), (1695, 376536), (1740, 366798), (2034, 313780), (2088, 305665), (2164, 294930), (2260, 282402), (2610, 244532), (2705, 235944), (2712, 235335), (3246, 196620), (3277, 194760), (3390, 188268), (3480, 183399), (4068, 156890), (4328, 147465), (4520, 141201), (4869, 131080), (5085, 125512), (5220, 122266), (5410, 117972), (6492, 98310), (6554, 97380), (6780, 94134), (8115, 78648), (8136, 78445), (9738, 65540), (9831, 64920), (10170, 62756), (10440, 61133), (10820, 58986), (12984, 49155), (13108, 48690), (13560, 47067), (15689, 40680), (16230, 39324), (16385, 38952), (19476, 32770), (19662, 32460), (20340, 31378), (21640, 29493), (24345, 26216)]