420088480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1039}}^1$

素因数の和:1099

約数の個数: 144

約数和(自身を含む): 1198229760

約数和(自身を除く): 778141280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 361, 380, 532, 560, 608, 665, 722, 760, 1039, 1064, 1120, 1330, 1444, 1520, 1805, 2078, 2128, 2527, 2660, 2888, 3040, 3610, 4156, 4256, 5054, 5195, 5320, 5776, 7220, 7273, 8312, 10108, 10390, 10640, 11552, 12635, 14440, 14546, 16624, 19741, 20216, 20780, 21280, 25270, 28880, 29092, 33248, 36365, 39482, 40432, 41560, 50540, 57760, 58184, 72730, 78964, 80864, 83120, 98705, 101080, 116368, 138187, 145460, 157928, 166240, 197410, 202160, 232736, 276374, 290920, 315856, 375079, 394820, 404320, 552748, 581840, 631712, 690935, 750158, 789640, 1105496, 1163680, 1381870, 1500316, 1579280, 1875395, 2210992, 2625553, 2763740, 3000632, 3158560, 3750790, 4421984, 5251106, 5527480, 6001264, 7501580, 10502212, 11054960, 12002528, 13127765, 15003160, 21004424, 22109920, 26255530, 30006320, 42008848, 52511060, 60012640, 84017696, 105022120, 210044240, 420088480]

約数ペア:

[(1, 420088480), (2, 210044240), (4, 105022120), (5, 84017696), (7, 60012640), (8, 52511060), (10, 42008848), (14, 30006320), (16, 26255530), (19, 22109920), (20, 21004424), (28, 15003160), (32, 13127765), (35, 12002528), (38, 11054960), (40, 10502212), (56, 7501580), (70, 6001264), (76, 5527480), (80, 5251106), (95, 4421984), (112, 3750790), (133, 3158560), (140, 3000632), (152, 2763740), (160, 2625553), (190, 2210992), (224, 1875395), (266, 1579280), (280, 1500316), (304, 1381870), (361, 1163680), (380, 1105496), (532, 789640), (560, 750158), (608, 690935), (665, 631712), (722, 581840), (760, 552748), (1039, 404320), (1064, 394820), (1120, 375079), (1330, 315856), (1444, 290920), (1520, 276374), (1805, 232736), (2078, 202160), (2128, 197410), (2527, 166240), (2660, 157928), (2888, 145460), (3040, 138187), (3610, 116368), (4156, 101080), (4256, 98705), (5054, 83120), (5195, 80864), (5320, 78964), (5776, 72730), (7220, 58184), (7273, 57760), (8312, 50540), (10108, 41560), (10390, 40432), (10640, 39482), (11552, 36365), (12635, 33248), (14440, 29092), (14546, 28880), (16624, 25270), (19741, 21280), (20216, 20780)]