11311840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 28599480

約数和(自身を除く): 17287640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 95, 122, 152, 160, 190, 244, 304, 305, 380, 488, 608, 610, 760, 976, 1159, 1220, 1520, 1952, 2318, 2440, 3040, 3721, 4636, 4880, 5795, 7442, 9272, 9760, 11590, 14884, 18544, 18605, 23180, 29768, 37088, 37210, 46360, 59536, 70699, 74420, 92720, 119072, 141398, 148840, 185440, 282796, 297680, 353495, 565592, 595360, 706990, 1131184, 1413980, 2262368, 2827960, 5655920, 11311840]

約数ペア:

[(1, 11311840), (2, 5655920), (4, 2827960), (5, 2262368), (8, 1413980), (10, 1131184), (16, 706990), (19, 595360), (20, 565592), (32, 353495), (38, 297680), (40, 282796), (61, 185440), (76, 148840), (80, 141398), (95, 119072), (122, 92720), (152, 74420), (160, 70699), (190, 59536), (244, 46360), (304, 37210), (305, 37088), (380, 29768), (488, 23180), (608, 18605), (610, 18544), (760, 14884), (976, 11590), (1159, 9760), (1220, 9272), (1520, 7442), (1952, 5795), (2318, 4880), (2440, 4636), (3040, 3721)]