254556120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23311}}^1$

素因数の和:23345

約数の個数: 128

約数和(自身を含む): 939939840

約数和(自身を除く): 685383720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 23311, 46622, 69933, 93244, 116555, 139866, 163177, 186488, 233110, 279732, 303043, 326354, 349665, 466220, 489531, 559464, 606086, 652708, 699330, 815885, 909129, 932440, 979062, 1212172, 1305416, 1398660, 1515215, 1631770, 1818258, 1958124, 2121301, 2424344, 2447655, 2797320, 3030430, 3263540, 3636516, 3916248, 4242602, 4545645, 4895310, 6060860, 6363903, 6527080, 7273032, 8485204, 9091290, 9790620, 10606505, 12121720, 12727806, 16970408, 18182580, 19581240, 21213010, 25455612, 31819515, 36365160, 42426020, 50911224, 63639030, 84852040, 127278060, 254556120]

約数ペア:

[(1, 254556120), (2, 127278060), (3, 84852040), (4, 63639030), (5, 50911224), (6, 42426020), (7, 36365160), (8, 31819515), (10, 25455612), (12, 21213010), (13, 19581240), (14, 18182580), (15, 16970408), (20, 12727806), (21, 12121720), (24, 10606505), (26, 9790620), (28, 9091290), (30, 8485204), (35, 7273032), (39, 6527080), (40, 6363903), (42, 6060860), (52, 4895310), (56, 4545645), (60, 4242602), (65, 3916248), (70, 3636516), (78, 3263540), (84, 3030430), (91, 2797320), (104, 2447655), (105, 2424344), (120, 2121301), (130, 1958124), (140, 1818258), (156, 1631770), (168, 1515215), (182, 1398660), (195, 1305416), (210, 1212172), (260, 979062), (273, 932440), (280, 909129), (312, 815885), (364, 699330), (390, 652708), (420, 606086), (455, 559464), (520, 489531), (546, 466220), (728, 349665), (780, 326354), (840, 303043), (910, 279732), (1092, 233110), (1365, 186488), (1560, 163177), (1820, 139866), (2184, 116555), (2730, 93244), (3640, 69933), (5460, 46622), (10920, 23311)]