12711720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 44870400

約数和(自身を除く): 32158680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 409, 420, 444, 518, 555, 740, 777, 818, 840, 888, 1036, 1110, 1227, 1295, 1480, 1554, 1636, 2045, 2072, 2220, 2454, 2590, 2863, 3108, 3272, 3885, 4090, 4440, 4908, 5180, 5726, 6135, 6216, 7770, 8180, 8589, 9816, 10360, 11452, 12270, 14315, 15133, 15540, 16360, 17178, 22904, 24540, 28630, 30266, 31080, 34356, 42945, 45399, 49080, 57260, 60532, 68712, 75665, 85890, 90798, 105931, 114520, 121064, 151330, 171780, 181596, 211862, 226995, 302660, 317793, 343560, 363192, 423724, 453990, 529655, 605320, 635586, 847448, 907980, 1059310, 1271172, 1588965, 1815960, 2118620, 2542344, 3177930, 4237240, 6355860, 12711720]

約数ペア:

[(1, 12711720), (2, 6355860), (3, 4237240), (4, 3177930), (5, 2542344), (6, 2118620), (7, 1815960), (8, 1588965), (10, 1271172), (12, 1059310), (14, 907980), (15, 847448), (20, 635586), (21, 605320), (24, 529655), (28, 453990), (30, 423724), (35, 363192), (37, 343560), (40, 317793), (42, 302660), (56, 226995), (60, 211862), (70, 181596), (74, 171780), (84, 151330), (105, 121064), (111, 114520), (120, 105931), (140, 90798), (148, 85890), (168, 75665), (185, 68712), (210, 60532), (222, 57260), (259, 49080), (280, 45399), (296, 42945), (370, 34356), (409, 31080), (420, 30266), (444, 28630), (518, 24540), (555, 22904), (740, 17178), (777, 16360), (818, 15540), (840, 15133), (888, 14315), (1036, 12270), (1110, 11452), (1227, 10360), (1295, 9816), (1480, 8589), (1554, 8180), (1636, 7770), (2045, 6216), (2072, 6135), (2220, 5726), (2454, 5180), (2590, 4908), (2863, 4440), (3108, 4090), (3272, 3885)]