1720222920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40841}}^1$

素因数の和:40877

約数の個数: 160

約数和(自身を含む): 6226771320

約数和(自身を除く): 4506548400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2106, 2340, 2808, 3240, 3510, 4212, 4680, 5265, 7020, 8424, 10530, 14040, 21060, 40841, 42120, 81682, 122523, 163364, 204205, 245046, 326728, 367569, 408410, 490092, 530933, 612615, 735138, 816820, 980184, 1061866, 1102707, 1225230, 1470276, 1592799, 1633640, 1837845, 2123732, 2205414, 2450460, 2654665, 2940552, 3185598, 3308121, 3675690, 4247464, 4410828, 4778397, 4900920, 5309330, 5513535, 6371196, 6616242, 7351380, 7963995, 8821656, 9556794, 10618660, 11027070, 12742392, 13232484, 14335191, 14702760, 15927990, 16540605, 19113588, 21237320, 22054140, 23891985, 26464968, 28670382, 31855980, 33081210, 38227176, 43005573, 44108280, 47783970, 57340764, 63711960, 66162420, 71675955, 86011146, 95567940, 114681528, 132324840, 143351910, 172022292, 191135880, 215027865, 286703820, 344044584, 430055730, 573407640, 860111460, 1720222920]

約数ペア:

[(1, 1720222920), (2, 860111460), (3, 573407640), (4, 430055730), (5, 344044584), (6, 286703820), (8, 215027865), (9, 191135880), (10, 172022292), (12, 143351910), (13, 132324840), (15, 114681528), (18, 95567940), (20, 86011146), (24, 71675955), (26, 66162420), (27, 63711960), (30, 57340764), (36, 47783970), (39, 44108280), (40, 43005573), (45, 38227176), (52, 33081210), (54, 31855980), (60, 28670382), (65, 26464968), (72, 23891985), (78, 22054140), (81, 21237320), (90, 19113588), (104, 16540605), (108, 15927990), (117, 14702760), (120, 14335191), (130, 13232484), (135, 12742392), (156, 11027070), (162, 10618660), (180, 9556794), (195, 8821656), (216, 7963995), (234, 7351380), (260, 6616242), (270, 6371196), (312, 5513535), (324, 5309330), (351, 4900920), (360, 4778397), (390, 4410828), (405, 4247464), (468, 3675690), (520, 3308121), (540, 3185598), (585, 2940552), (648, 2654665), (702, 2450460), (780, 2205414), (810, 2123732), (936, 1837845), (1053, 1633640), (1080, 1592799), (1170, 1470276), (1404, 1225230), (1560, 1102707), (1620, 1061866), (1755, 980184), (2106, 816820), (2340, 735138), (2808, 612615), (3240, 530933), (3510, 490092), (4212, 408410), (4680, 367569), (5265, 326728), (7020, 245046), (8424, 204205), (10530, 163364), (14040, 122523), (21060, 81682), (40841, 42120)]