28442520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 96763680

約数和(自身を除く): 68321160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 47, 60, 72, 82, 90, 94, 120, 123, 141, 164, 180, 188, 205, 235, 246, 282, 328, 360, 369, 376, 410, 423, 470, 492, 564, 615, 705, 738, 820, 846, 940, 984, 1128, 1230, 1410, 1476, 1640, 1681, 1692, 1845, 1880, 1927, 2115, 2460, 2820, 2952, 3362, 3384, 3690, 3854, 4230, 4920, 5043, 5640, 5781, 6724, 7380, 7708, 8405, 8460, 9635, 10086, 11562, 13448, 14760, 15129, 15416, 16810, 16920, 17343, 19270, 20172, 23124, 25215, 28905, 30258, 33620, 34686, 38540, 40344, 46248, 50430, 57810, 60516, 67240, 69372, 75645, 77080, 79007, 86715, 100860, 115620, 121032, 138744, 151290, 158014, 173430, 201720, 231240, 237021, 302580, 316028, 346860, 395035, 474042, 605160, 632056, 693720, 711063, 790070, 948084, 1185105, 1422126, 1580140, 1896168, 2370210, 2844252, 3160280, 3555315, 4740420, 5688504, 7110630, 9480840, 14221260, 28442520]

約数ペア:

[(1, 28442520), (2, 14221260), (3, 9480840), (4, 7110630), (5, 5688504), (6, 4740420), (8, 3555315), (9, 3160280), (10, 2844252), (12, 2370210), (15, 1896168), (18, 1580140), (20, 1422126), (24, 1185105), (30, 948084), (36, 790070), (40, 711063), (41, 693720), (45, 632056), (47, 605160), (60, 474042), (72, 395035), (82, 346860), (90, 316028), (94, 302580), (120, 237021), (123, 231240), (141, 201720), (164, 173430), (180, 158014), (188, 151290), (205, 138744), (235, 121032), (246, 115620), (282, 100860), (328, 86715), (360, 79007), (369, 77080), (376, 75645), (410, 69372), (423, 67240), (470, 60516), (492, 57810), (564, 50430), (615, 46248), (705, 40344), (738, 38540), (820, 34686), (846, 33620), (940, 30258), (984, 28905), (1128, 25215), (1230, 23124), (1410, 20172), (1476, 19270), (1640, 17343), (1681, 16920), (1692, 16810), (1845, 15416), (1880, 15129), (1927, 14760), (2115, 13448), (2460, 11562), (2820, 10086), (2952, 9635), (3362, 8460), (3384, 8405), (3690, 7708), (3854, 7380), (4230, 6724), (4920, 5781), (5043, 5640)]