78448720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 224628480

約数和(自身を除く): 146179760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 80, 95, 101, 112, 133, 140, 146, 152, 190, 202, 266, 280, 292, 304, 365, 380, 404, 505, 511, 532, 560, 584, 665, 707, 730, 760, 808, 1010, 1022, 1064, 1168, 1330, 1387, 1414, 1460, 1520, 1616, 1919, 2020, 2044, 2128, 2555, 2660, 2774, 2828, 2920, 3535, 3838, 4040, 4088, 5110, 5320, 5548, 5656, 5840, 6935, 7070, 7373, 7676, 8080, 8176, 9595, 9709, 10220, 10640, 11096, 11312, 13433, 13870, 14140, 14746, 15352, 19190, 19418, 20440, 22192, 26866, 27740, 28280, 29492, 30704, 36865, 38380, 38836, 40880, 48545, 51611, 53732, 55480, 56560, 58984, 67165, 73730, 76760, 77672, 97090, 103222, 107464, 110960, 117968, 134330, 140087, 147460, 153520, 155344, 194180, 206444, 214928, 258055, 268660, 280174, 294920, 388360, 412888, 516110, 537320, 560348, 589840, 700435, 776720, 825776, 980609, 1032220, 1074640, 1120696, 1400870, 1961218, 2064440, 2241392, 2801740, 3922436, 4128880, 4903045, 5603480, 7844872, 9806090, 11206960, 15689744, 19612180, 39224360, 78448720]

約数ペア:

[(1, 78448720), (2, 39224360), (4, 19612180), (5, 15689744), (7, 11206960), (8, 9806090), (10, 7844872), (14, 5603480), (16, 4903045), (19, 4128880), (20, 3922436), (28, 2801740), (35, 2241392), (38, 2064440), (40, 1961218), (56, 1400870), (70, 1120696), (73, 1074640), (76, 1032220), (80, 980609), (95, 825776), (101, 776720), (112, 700435), (133, 589840), (140, 560348), (146, 537320), (152, 516110), (190, 412888), (202, 388360), (266, 294920), (280, 280174), (292, 268660), (304, 258055), (365, 214928), (380, 206444), (404, 194180), (505, 155344), (511, 153520), (532, 147460), (560, 140087), (584, 134330), (665, 117968), (707, 110960), (730, 107464), (760, 103222), (808, 97090), (1010, 77672), (1022, 76760), (1064, 73730), (1168, 67165), (1330, 58984), (1387, 56560), (1414, 55480), (1460, 53732), (1520, 51611), (1616, 48545), (1919, 40880), (2020, 38836), (2044, 38380), (2128, 36865), (2555, 30704), (2660, 29492), (2774, 28280), (2828, 27740), (2920, 26866), (3535, 22192), (3838, 20440), (4040, 19418), (4088, 19190), (5110, 15352), (5320, 14746), (5548, 14140), (5656, 13870), (5840, 13433), (6935, 11312), (7070, 11096), (7373, 10640), (7676, 10220), (8080, 9709), (8176, 9595)]