52720800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2031

約数の個数: 144

約数和(自身を含む): 187300512

約数和(自身を除く): 134579712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 200, 220, 240, 264, 275, 300, 330, 352, 400, 440, 480, 528, 550, 600, 660, 800, 825, 880, 1056, 1100, 1200, 1320, 1650, 1760, 1997, 2200, 2400, 2640, 3300, 3994, 4400, 5280, 5991, 6600, 7988, 8800, 9985, 11982, 13200, 15976, 19970, 21967, 23964, 26400, 29955, 31952, 39940, 43934, 47928, 49925, 59910, 63904, 65901, 79880, 87868, 95856, 99850, 109835, 119820, 131802, 149775, 159760, 175736, 191712, 199700, 219670, 239640, 263604, 299550, 319520, 329505, 351472, 399400, 439340, 479280, 527208, 549175, 599100, 659010, 702944, 798800, 878680, 958560, 1054416, 1098350, 1198200, 1318020, 1597600, 1647525, 1757360, 2108832, 2196700, 2396400, 2636040, 3295050, 3514720, 4393400, 4792800, 5272080, 6590100, 8786800, 10544160, 13180200, 17573600, 26360400, 52720800]

約数ペア:

[(1, 52720800), (2, 26360400), (3, 17573600), (4, 13180200), (5, 10544160), (6, 8786800), (8, 6590100), (10, 5272080), (11, 4792800), (12, 4393400), (15, 3514720), (16, 3295050), (20, 2636040), (22, 2396400), (24, 2196700), (25, 2108832), (30, 1757360), (32, 1647525), (33, 1597600), (40, 1318020), (44, 1198200), (48, 1098350), (50, 1054416), (55, 958560), (60, 878680), (66, 798800), (75, 702944), (80, 659010), (88, 599100), (96, 549175), (100, 527208), (110, 479280), (120, 439340), (132, 399400), (150, 351472), (160, 329505), (165, 319520), (176, 299550), (200, 263604), (220, 239640), (240, 219670), (264, 199700), (275, 191712), (300, 175736), (330, 159760), (352, 149775), (400, 131802), (440, 119820), (480, 109835), (528, 99850), (550, 95856), (600, 87868), (660, 79880), (800, 65901), (825, 63904), (880, 59910), (1056, 49925), (1100, 47928), (1200, 43934), (1320, 39940), (1650, 31952), (1760, 29955), (1997, 26400), (2200, 23964), (2400, 21967), (2640, 19970), (3300, 15976), (3994, 13200), (4400, 11982), (5280, 9985), (5991, 8800), (6600, 7988)]