660213120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{49123}}^1$

素因数の和:49152

約数の個数: 128

約数和(自身を含む): 2405111040

約数和(自身を除く): 1744897920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 49123, 98246, 147369, 196492, 245615, 294738, 343861, 392984, 491230, 589476, 687722, 736845, 785968, 982460, 1031583, 1178952, 1375444, 1473690, 1571936, 1719305, 1964920, 2063166, 2357904, 2750888, 2947380, 3143872, 3438610, 3929840, 4126332, 4715808, 5157915, 5501776, 5894760, 6287744, 6877220, 7859680, 8252664, 9431616, 10315830, 11003552, 11789520, 13754440, 15719360, 16505328, 18863232, 20631660, 22007104, 23579040, 27508880, 31438720, 33010656, 41263320, 44014208, 47158080, 55017760, 66021312, 82526640, 94316160, 110035520, 132042624, 165053280, 220071040, 330106560, 660213120]

約数ペア:

[(1, 660213120), (2, 330106560), (3, 220071040), (4, 165053280), (5, 132042624), (6, 110035520), (7, 94316160), (8, 82526640), (10, 66021312), (12, 55017760), (14, 47158080), (15, 44014208), (16, 41263320), (20, 33010656), (21, 31438720), (24, 27508880), (28, 23579040), (30, 22007104), (32, 20631660), (35, 18863232), (40, 16505328), (42, 15719360), (48, 13754440), (56, 11789520), (60, 11003552), (64, 10315830), (70, 9431616), (80, 8252664), (84, 7859680), (96, 6877220), (105, 6287744), (112, 5894760), (120, 5501776), (128, 5157915), (140, 4715808), (160, 4126332), (168, 3929840), (192, 3438610), (210, 3143872), (224, 2947380), (240, 2750888), (280, 2357904), (320, 2063166), (336, 1964920), (384, 1719305), (420, 1571936), (448, 1473690), (480, 1375444), (560, 1178952), (640, 1031583), (672, 982460), (840, 785968), (896, 736845), (960, 687722), (1120, 589476), (1344, 491230), (1680, 392984), (1920, 343861), (2240, 294738), (2688, 245615), (3360, 196492), (4480, 147369), (6720, 98246), (13440, 49123)]