28983720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 91808640

約数和(自身を除く): 62824920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 137, 164, 172, 205, 215, 246, 258, 274, 328, 344, 410, 411, 430, 492, 516, 548, 615, 645, 685, 820, 822, 860, 984, 1032, 1096, 1230, 1290, 1370, 1640, 1644, 1720, 1763, 2055, 2460, 2580, 2740, 3288, 3526, 4110, 4920, 5160, 5289, 5480, 5617, 5891, 7052, 8220, 8815, 10578, 11234, 11782, 14104, 16440, 16851, 17630, 17673, 21156, 22468, 23564, 26445, 28085, 29455, 33702, 35260, 35346, 42312, 44936, 47128, 52890, 56170, 58910, 67404, 70520, 70692, 84255, 88365, 105780, 112340, 117820, 134808, 141384, 168510, 176730, 211560, 224680, 235640, 241531, 337020, 353460, 483062, 674040, 706920, 724593, 966124, 1207655, 1449186, 1932248, 2415310, 2898372, 3622965, 4830620, 5796744, 7245930, 9661240, 14491860, 28983720]

約数ペア:

[(1, 28983720), (2, 14491860), (3, 9661240), (4, 7245930), (5, 5796744), (6, 4830620), (8, 3622965), (10, 2898372), (12, 2415310), (15, 1932248), (20, 1449186), (24, 1207655), (30, 966124), (40, 724593), (41, 706920), (43, 674040), (60, 483062), (82, 353460), (86, 337020), (120, 241531), (123, 235640), (129, 224680), (137, 211560), (164, 176730), (172, 168510), (205, 141384), (215, 134808), (246, 117820), (258, 112340), (274, 105780), (328, 88365), (344, 84255), (410, 70692), (411, 70520), (430, 67404), (492, 58910), (516, 56170), (548, 52890), (615, 47128), (645, 44936), (685, 42312), (820, 35346), (822, 35260), (860, 33702), (984, 29455), (1032, 28085), (1096, 26445), (1230, 23564), (1290, 22468), (1370, 21156), (1640, 17673), (1644, 17630), (1720, 16851), (1763, 16440), (2055, 14104), (2460, 11782), (2580, 11234), (2740, 10578), (3288, 8815), (3526, 8220), (4110, 7052), (4920, 5891), (5160, 5617), (5289, 5480)]