28082040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 97528320

約数和(自身を除く): 69446280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 331, 404, 420, 505, 606, 662, 707, 808, 840, 993, 1010, 1212, 1324, 1414, 1515, 1655, 1986, 2020, 2121, 2317, 2424, 2648, 2828, 3030, 3310, 3535, 3972, 4040, 4242, 4634, 4965, 5656, 6060, 6620, 6951, 7070, 7944, 8484, 9268, 9930, 10605, 11585, 12120, 13240, 13902, 14140, 16968, 18536, 19860, 21210, 23170, 27804, 28280, 33431, 34755, 39720, 42420, 46340, 55608, 66862, 69510, 84840, 92680, 100293, 133724, 139020, 167155, 200586, 234017, 267448, 278040, 334310, 401172, 468034, 501465, 668620, 702051, 802344, 936068, 1002930, 1170085, 1337240, 1404102, 1872136, 2005860, 2340170, 2808204, 3510255, 4011720, 4680340, 5616408, 7020510, 9360680, 14041020, 28082040]

約数ペア:

[(1, 28082040), (2, 14041020), (3, 9360680), (4, 7020510), (5, 5616408), (6, 4680340), (7, 4011720), (8, 3510255), (10, 2808204), (12, 2340170), (14, 2005860), (15, 1872136), (20, 1404102), (21, 1337240), (24, 1170085), (28, 1002930), (30, 936068), (35, 802344), (40, 702051), (42, 668620), (56, 501465), (60, 468034), (70, 401172), (84, 334310), (101, 278040), (105, 267448), (120, 234017), (140, 200586), (168, 167155), (202, 139020), (210, 133724), (280, 100293), (303, 92680), (331, 84840), (404, 69510), (420, 66862), (505, 55608), (606, 46340), (662, 42420), (707, 39720), (808, 34755), (840, 33431), (993, 28280), (1010, 27804), (1212, 23170), (1324, 21210), (1414, 19860), (1515, 18536), (1655, 16968), (1986, 14140), (2020, 13902), (2121, 13240), (2317, 12120), (2424, 11585), (2648, 10605), (2828, 9930), (3030, 9268), (3310, 8484), (3535, 7944), (3972, 7070), (4040, 6951), (4242, 6620), (4634, 6060), (4965, 5656)]