8161505840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:619

約数の個数: 160

約数和(自身を含む): 20252989440

約数和(自身を除く): 12091483600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 67, 80, 92, 115, 134, 184, 230, 239, 268, 277, 335, 368, 460, 478, 536, 554, 670, 920, 956, 1072, 1108, 1195, 1340, 1385, 1541, 1840, 1912, 2216, 2390, 2680, 2770, 3082, 3824, 4432, 4780, 5360, 5497, 5540, 6164, 6371, 7705, 9560, 10994, 11080, 12328, 12742, 15410, 16013, 18559, 19120, 21988, 22160, 24656, 25484, 27485, 30820, 31855, 32026, 37118, 43976, 50968, 54970, 61640, 63710, 64052, 66203, 74236, 80065, 87952, 92795, 101936, 109940, 123280, 127420, 128104, 132406, 148472, 160130, 185590, 219880, 254840, 256208, 264812, 296944, 320260, 331015, 368299, 371180, 426857, 439760, 509680, 529624, 640520, 662030, 736598, 742360, 853714, 1059248, 1281040, 1324060, 1473196, 1484720, 1522669, 1707428, 1841495, 2134285, 2648120, 2946392, 3045338, 3414856, 3682990, 4268570, 4435601, 5296240, 5892784, 6090676, 6829712, 7365980, 7613345, 8537140, 8871202, 12181352, 14731960, 15226690, 17074280, 17742404, 22178005, 24362704, 29463920, 30453380, 34148560, 35484808, 44356010, 60906760, 70969616, 88712020, 102018823, 121813520, 177424040, 204037646, 354848080, 408075292, 510094115, 816150584, 1020188230, 1632301168, 2040376460, 4080752920, 8161505840]

約数ペア:

[(1, 8161505840), (2, 4080752920), (4, 2040376460), (5, 1632301168), (8, 1020188230), (10, 816150584), (16, 510094115), (20, 408075292), (23, 354848080), (40, 204037646), (46, 177424040), (67, 121813520), (80, 102018823), (92, 88712020), (115, 70969616), (134, 60906760), (184, 44356010), (230, 35484808), (239, 34148560), (268, 30453380), (277, 29463920), (335, 24362704), (368, 22178005), (460, 17742404), (478, 17074280), (536, 15226690), (554, 14731960), (670, 12181352), (920, 8871202), (956, 8537140), (1072, 7613345), (1108, 7365980), (1195, 6829712), (1340, 6090676), (1385, 5892784), (1541, 5296240), (1840, 4435601), (1912, 4268570), (2216, 3682990), (2390, 3414856), (2680, 3045338), (2770, 2946392), (3082, 2648120), (3824, 2134285), (4432, 1841495), (4780, 1707428), (5360, 1522669), (5497, 1484720), (5540, 1473196), (6164, 1324060), (6371, 1281040), (7705, 1059248), (9560, 853714), (10994, 742360), (11080, 736598), (12328, 662030), (12742, 640520), (15410, 529624), (16013, 509680), (18559, 439760), (19120, 426857), (21988, 371180), (22160, 368299), (24656, 331015), (25484, 320260), (27485, 296944), (30820, 264812), (31855, 256208), (32026, 254840), (37118, 219880), (43976, 185590), (50968, 160130), (54970, 148472), (61640, 132406), (63710, 128104), (64052, 127420), (66203, 123280), (74236, 109940), (80065, 101936), (87952, 92795)]