42957040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 115706880

約数和(自身を除く): 72749840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 971, 1106, 1264, 1580, 1942, 2212, 2765, 3160, 3884, 4424, 4855, 5530, 6320, 6797, 7768, 8848, 9710, 11060, 13594, 15536, 19420, 22120, 27188, 33985, 38840, 44240, 54376, 67970, 76709, 77680, 108752, 135940, 153418, 271880, 306836, 383545, 536963, 543760, 613672, 767090, 1073926, 1227344, 1534180, 2147852, 2684815, 3068360, 4295704, 5369630, 6136720, 8591408, 10739260, 21478520, 42957040]

約数ペア:

[(1, 42957040), (2, 21478520), (4, 10739260), (5, 8591408), (7, 6136720), (8, 5369630), (10, 4295704), (14, 3068360), (16, 2684815), (20, 2147852), (28, 1534180), (35, 1227344), (40, 1073926), (56, 767090), (70, 613672), (79, 543760), (80, 536963), (112, 383545), (140, 306836), (158, 271880), (280, 153418), (316, 135940), (395, 108752), (553, 77680), (560, 76709), (632, 67970), (790, 54376), (971, 44240), (1106, 38840), (1264, 33985), (1580, 27188), (1942, 22120), (2212, 19420), (2765, 15536), (3160, 13594), (3884, 11060), (4424, 9710), (4855, 8848), (5530, 7768), (6320, 6797)]