8049720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^2$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 28871640

約数和(自身を除く): 20821920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 49, 56, 60, 70, 74, 84, 98, 105, 111, 120, 140, 147, 148, 168, 185, 196, 210, 222, 245, 259, 280, 294, 296, 370, 392, 420, 444, 490, 518, 555, 588, 735, 740, 777, 840, 888, 980, 1036, 1110, 1176, 1295, 1369, 1470, 1480, 1554, 1813, 1960, 2072, 2220, 2590, 2738, 2940, 3108, 3626, 3885, 4107, 4440, 5180, 5439, 5476, 5880, 6216, 6845, 7252, 7770, 8214, 9065, 9583, 10360, 10878, 10952, 13690, 14504, 15540, 16428, 18130, 19166, 20535, 21756, 27195, 27380, 28749, 31080, 32856, 36260, 38332, 41070, 43512, 47915, 54390, 54760, 57498, 67081, 72520, 76664, 82140, 95830, 108780, 114996, 134162, 143745, 164280, 191660, 201243, 217560, 229992, 268324, 287490, 335405, 383320, 402486, 536648, 574980, 670810, 804972, 1006215, 1149960, 1341620, 1609944, 2012430, 2683240, 4024860, 8049720]

約数ペア:

[(1, 8049720), (2, 4024860), (3, 2683240), (4, 2012430), (5, 1609944), (6, 1341620), (7, 1149960), (8, 1006215), (10, 804972), (12, 670810), (14, 574980), (15, 536648), (20, 402486), (21, 383320), (24, 335405), (28, 287490), (30, 268324), (35, 229992), (37, 217560), (40, 201243), (42, 191660), (49, 164280), (56, 143745), (60, 134162), (70, 114996), (74, 108780), (84, 95830), (98, 82140), (105, 76664), (111, 72520), (120, 67081), (140, 57498), (147, 54760), (148, 54390), (168, 47915), (185, 43512), (196, 41070), (210, 38332), (222, 36260), (245, 32856), (259, 31080), (280, 28749), (294, 27380), (296, 27195), (370, 21756), (392, 20535), (420, 19166), (444, 18130), (490, 16428), (518, 15540), (555, 14504), (588, 13690), (735, 10952), (740, 10878), (777, 10360), (840, 9583), (888, 9065), (980, 8214), (1036, 7770), (1110, 7252), (1176, 6845), (1295, 6216), (1369, 5880), (1470, 5476), (1480, 5439), (1554, 5180), (1813, 4440), (1960, 4107), (2072, 3885), (2220, 3626), (2590, 3108), (2738, 2940)]