90641120

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 224423136

約数和(自身を除く): 133782016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 74, 80, 122, 148, 160, 185, 244, 251, 296, 305, 370, 488, 502, 592, 610, 740, 976, 1004, 1184, 1220, 1255, 1480, 1952, 2008, 2257, 2440, 2510, 2960, 4016, 4514, 4880, 5020, 5920, 8032, 9028, 9287, 9760, 10040, 11285, 15311, 18056, 18574, 20080, 22570, 30622, 36112, 37148, 40160, 45140, 46435, 61244, 72224, 74296, 76555, 90280, 92870, 122488, 148592, 153110, 180560, 185740, 244976, 297184, 306220, 361120, 371480, 489952, 566507, 612440, 742960, 1133014, 1224880, 1485920, 2266028, 2449760, 2832535, 4532056, 5665070, 9064112, 11330140, 18128224, 22660280, 45320560, 90641120]

約数ペア:

[(1, 90641120), (2, 45320560), (4, 22660280), (5, 18128224), (8, 11330140), (10, 9064112), (16, 5665070), (20, 4532056), (32, 2832535), (37, 2449760), (40, 2266028), (61, 1485920), (74, 1224880), (80, 1133014), (122, 742960), (148, 612440), (160, 566507), (185, 489952), (244, 371480), (251, 361120), (296, 306220), (305, 297184), (370, 244976), (488, 185740), (502, 180560), (592, 153110), (610, 148592), (740, 122488), (976, 92870), (1004, 90280), (1184, 76555), (1220, 74296), (1255, 72224), (1480, 61244), (1952, 46435), (2008, 45140), (2257, 40160), (2440, 37148), (2510, 36112), (2960, 30622), (4016, 22570), (4514, 20080), (4880, 18574), (5020, 18056), (5920, 15311), (8032, 11285), (9028, 10040), (9287, 9760)]