60640400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 156835200

約数和(自身を除く): 96194800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 79, 80, 95, 100, 101, 152, 158, 190, 200, 202, 304, 316, 380, 395, 400, 404, 475, 505, 632, 760, 790, 808, 950, 1010, 1264, 1501, 1520, 1580, 1616, 1900, 1919, 1975, 2020, 2525, 3002, 3160, 3800, 3838, 3950, 4040, 5050, 6004, 6320, 7505, 7600, 7676, 7900, 7979, 8080, 9595, 10100, 12008, 15010, 15352, 15800, 15958, 19190, 20200, 24016, 30020, 30704, 31600, 31916, 37525, 38380, 39895, 40400, 47975, 60040, 63832, 75050, 76760, 79790, 95950, 120080, 127664, 150100, 151601, 153520, 159580, 191900, 199475, 300200, 303202, 319160, 383800, 398950, 600400, 606404, 638320, 758005, 767600, 797900, 1212808, 1516010, 1595800, 2425616, 3032020, 3191600, 3790025, 6064040, 7580050, 12128080, 15160100, 30320200, 60640400]

約数ペア:

[(1, 60640400), (2, 30320200), (4, 15160100), (5, 12128080), (8, 7580050), (10, 6064040), (16, 3790025), (19, 3191600), (20, 3032020), (25, 2425616), (38, 1595800), (40, 1516010), (50, 1212808), (76, 797900), (79, 767600), (80, 758005), (95, 638320), (100, 606404), (101, 600400), (152, 398950), (158, 383800), (190, 319160), (200, 303202), (202, 300200), (304, 199475), (316, 191900), (380, 159580), (395, 153520), (400, 151601), (404, 150100), (475, 127664), (505, 120080), (632, 95950), (760, 79790), (790, 76760), (808, 75050), (950, 63832), (1010, 60040), (1264, 47975), (1501, 40400), (1520, 39895), (1580, 38380), (1616, 37525), (1900, 31916), (1919, 31600), (1975, 30704), (2020, 30020), (2525, 24016), (3002, 20200), (3160, 19190), (3800, 15958), (3838, 15800), (3950, 15352), (4040, 15010), (5050, 12008), (6004, 10100), (6320, 9595), (7505, 8080), (7600, 7979), (7676, 7900)]