28122120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2036

約数の個数: 128

約数和(自身を含む): 101001600

約数和(自身を除く): 72879480

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, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2003, 2340, 2808, 3510, 4006, 4680, 6009, 7020, 8012, 10015, 12018, 14040, 16024, 18027, 20030, 24036, 26039, 30045, 36054, 40060, 48072, 52078, 54081, 60090, 72108, 78117, 80120, 90135, 104156, 108162, 120180, 130195, 144216, 156234, 180270, 208312, 216324, 234351, 240360, 260390, 270405, 312468, 360540, 390585, 432648, 468702, 520780, 540810, 624936, 703053, 721080, 781170, 937404, 1041560, 1081620, 1171755, 1406106, 1562340, 1874808, 2163240, 2343510, 2812212, 3124680, 3515265, 4687020, 5624424, 7030530, 9374040, 14061060, 28122120]

約数ペア:

[(1, 28122120), (2, 14061060), (3, 9374040), (4, 7030530), (5, 5624424), (6, 4687020), (8, 3515265), (9, 3124680), (10, 2812212), (12, 2343510), (13, 2163240), (15, 1874808), (18, 1562340), (20, 1406106), (24, 1171755), (26, 1081620), (27, 1041560), (30, 937404), (36, 781170), (39, 721080), (40, 703053), (45, 624936), (52, 540810), (54, 520780), (60, 468702), (65, 432648), (72, 390585), (78, 360540), (90, 312468), (104, 270405), (108, 260390), (117, 240360), (120, 234351), (130, 216324), (135, 208312), (156, 180270), (180, 156234), (195, 144216), (216, 130195), (234, 120180), (260, 108162), (270, 104156), (312, 90135), (351, 80120), (360, 78117), (390, 72108), (468, 60090), (520, 54081), (540, 52078), (585, 48072), (702, 40060), (780, 36054), (936, 30045), (1080, 26039), (1170, 24036), (1404, 20030), (1560, 18027), (1755, 16024), (2003, 14040), (2340, 12018), (2808, 10015), (3510, 8012), (4006, 7020), (4680, 6009)]