90494720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 231973560

約数和(自身を除く): 141478840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 122, 128, 152, 160, 190, 244, 256, 304, 305, 320, 380, 488, 608, 610, 640, 760, 976, 1159, 1216, 1220, 1280, 1520, 1952, 2318, 2432, 2440, 3040, 3721, 3904, 4636, 4864, 4880, 5795, 6080, 7442, 7808, 9272, 9760, 11590, 12160, 14884, 15616, 18544, 18605, 19520, 23180, 24320, 29768, 37088, 37210, 39040, 46360, 59536, 70699, 74176, 74420, 78080, 92720, 119072, 141398, 148352, 148840, 185440, 238144, 282796, 296704, 297680, 353495, 370880, 476288, 565592, 595360, 706990, 741760, 952576, 1131184, 1190720, 1413980, 1483520, 2262368, 2381440, 2827960, 4524736, 4762880, 5655920, 9049472, 11311840, 18098944, 22623680, 45247360, 90494720]

約数ペア:

[(1, 90494720), (2, 45247360), (4, 22623680), (5, 18098944), (8, 11311840), (10, 9049472), (16, 5655920), (19, 4762880), (20, 4524736), (32, 2827960), (38, 2381440), (40, 2262368), (61, 1483520), (64, 1413980), (76, 1190720), (80, 1131184), (95, 952576), (122, 741760), (128, 706990), (152, 595360), (160, 565592), (190, 476288), (244, 370880), (256, 353495), (304, 297680), (305, 296704), (320, 282796), (380, 238144), (488, 185440), (608, 148840), (610, 148352), (640, 141398), (760, 119072), (976, 92720), (1159, 78080), (1216, 74420), (1220, 74176), (1280, 70699), (1520, 59536), (1952, 46360), (2318, 39040), (2432, 37210), (2440, 37088), (3040, 29768), (3721, 24320), (3904, 23180), (4636, 19520), (4864, 18605), (4880, 18544), (5795, 15616), (6080, 14884), (7442, 12160), (7808, 11590), (9272, 9760)]