260637440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1578

約数の個数: 144

約数和(自身を含む): 751537920

約数和(自身を除く): 490900480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1531, 1792, 2128, 2240, 2432, 2660, 3040, 3062, 4256, 4480, 4864, 5320, 6080, 6124, 7655, 8512, 8960, 10640, 10717, 12160, 12248, 15310, 17024, 21280, 21434, 24320, 24496, 29089, 30620, 34048, 42560, 42868, 48992, 53585, 58178, 61240, 85120, 85736, 97984, 107170, 116356, 122480, 145445, 170240, 171472, 195968, 203623, 214340, 232712, 244960, 290890, 342944, 391936, 407246, 428680, 465424, 489920, 581780, 685888, 814492, 857360, 930848, 979840, 1018115, 1163560, 1371776, 1628984, 1714720, 1861696, 1959680, 2036230, 2327120, 2743552, 3257968, 3429440, 3723392, 4072460, 4654240, 6515936, 6858880, 7446784, 8144920, 9308480, 13031872, 13717760, 16289840, 18616960, 26063744, 32579680, 37233920, 52127488, 65159360, 130318720, 260637440]

約数ペア:

[(1, 260637440), (2, 130318720), (4, 65159360), (5, 52127488), (7, 37233920), (8, 32579680), (10, 26063744), (14, 18616960), (16, 16289840), (19, 13717760), (20, 13031872), (28, 9308480), (32, 8144920), (35, 7446784), (38, 6858880), (40, 6515936), (56, 4654240), (64, 4072460), (70, 3723392), (76, 3429440), (80, 3257968), (95, 2743552), (112, 2327120), (128, 2036230), (133, 1959680), (140, 1861696), (152, 1714720), (160, 1628984), (190, 1371776), (224, 1163560), (256, 1018115), (266, 979840), (280, 930848), (304, 857360), (320, 814492), (380, 685888), (448, 581780), (532, 489920), (560, 465424), (608, 428680), (640, 407246), (665, 391936), (760, 342944), (896, 290890), (1064, 244960), (1120, 232712), (1216, 214340), (1280, 203623), (1330, 195968), (1520, 171472), (1531, 170240), (1792, 145445), (2128, 122480), (2240, 116356), (2432, 107170), (2660, 97984), (3040, 85736), (3062, 85120), (4256, 61240), (4480, 58178), (4864, 53585), (5320, 48992), (6080, 42868), (6124, 42560), (7655, 34048), (8512, 30620), (8960, 29089), (10640, 24496), (10717, 24320), (12160, 21434), (12248, 21280), (15310, 17024)]