1642279040

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:590

約数の個数: 128

約数和(自身を含む): 4063288320

約数和(自身を除く): 2421009280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 223, 296, 311, 320, 370, 446, 592, 622, 640, 740, 892, 1115, 1184, 1244, 1480, 1555, 1784, 2230, 2368, 2488, 2960, 3110, 3568, 4460, 4736, 4976, 5920, 6220, 7136, 8251, 8920, 9952, 11507, 11840, 12440, 14272, 16502, 17840, 19904, 23014, 23680, 24880, 28544, 33004, 35680, 39808, 41255, 46028, 49760, 57535, 66008, 69353, 71360, 82510, 92056, 99520, 115070, 132016, 138706, 142720, 165020, 184112, 199040, 230140, 264032, 277412, 330040, 346765, 368224, 460280, 528064, 554824, 660080, 693530, 736448, 920560, 1056128, 1109648, 1320160, 1387060, 1472896, 1841120, 2219296, 2566061, 2640320, 2774120, 3682240, 4438592, 5132122, 5280640, 5548240, 7364480, 8877184, 10264244, 11096480, 12830305, 20528488, 22192960, 25660610, 41056976, 44385920, 51321220, 82113952, 102642440, 164227904, 205284880, 328455808, 410569760, 821139520, 1642279040]

約数ペア:

[(1, 1642279040), (2, 821139520), (4, 410569760), (5, 328455808), (8, 205284880), (10, 164227904), (16, 102642440), (20, 82113952), (32, 51321220), (37, 44385920), (40, 41056976), (64, 25660610), (74, 22192960), (80, 20528488), (128, 12830305), (148, 11096480), (160, 10264244), (185, 8877184), (223, 7364480), (296, 5548240), (311, 5280640), (320, 5132122), (370, 4438592), (446, 3682240), (592, 2774120), (622, 2640320), (640, 2566061), (740, 2219296), (892, 1841120), (1115, 1472896), (1184, 1387060), (1244, 1320160), (1480, 1109648), (1555, 1056128), (1784, 920560), (2230, 736448), (2368, 693530), (2488, 660080), (2960, 554824), (3110, 528064), (3568, 460280), (4460, 368224), (4736, 346765), (4976, 330040), (5920, 277412), (6220, 264032), (7136, 230140), (8251, 199040), (8920, 184112), (9952, 165020), (11507, 142720), (11840, 138706), (12440, 132016), (14272, 115070), (16502, 99520), (17840, 92056), (19904, 82510), (23014, 71360), (23680, 69353), (24880, 66008), (28544, 57535), (33004, 49760), (35680, 46028), (39808, 41255)]