1868845360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{31957}}^1$

素因数の和:32030

約数の個数: 80

約数和(自身を含む): 4707796896

約数和(自身を除く): 2838951536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1720, 2924, 3440, 3655, 5848, 7310, 11696, 14620, 29240, 31957, 58480, 63914, 127828, 159785, 255656, 319570, 511312, 543269, 639140, 1086538, 1278280, 1374151, 2173076, 2556560, 2716345, 2748302, 4346152, 5432690, 5496604, 6870755, 8692304, 10865380, 10993208, 13741510, 21730760, 21986416, 23360567, 27483020, 43461520, 46721134, 54966040, 93442268, 109932080, 116802835, 186884536, 233605670, 373769072, 467211340, 934422680, 1868845360]

約数ペア:

[(1, 1868845360), (2, 934422680), (4, 467211340), (5, 373769072), (8, 233605670), (10, 186884536), (16, 116802835), (17, 109932080), (20, 93442268), (34, 54966040), (40, 46721134), (43, 43461520), (68, 27483020), (80, 23360567), (85, 21986416), (86, 21730760), (136, 13741510), (170, 10993208), (172, 10865380), (215, 8692304), (272, 6870755), (340, 5496604), (344, 5432690), (430, 4346152), (680, 2748302), (688, 2716345), (731, 2556560), (860, 2173076), (1360, 1374151), (1462, 1278280), (1720, 1086538), (2924, 639140), (3440, 543269), (3655, 511312), (5848, 319570), (7310, 255656), (11696, 159785), (14620, 127828), (29240, 63914), (31957, 58480)]