1815037920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20663}}^1$

素因数の和:20745

約数の個数: 144

約数和(自身を含む): 6295659552

約数和(自身を除く): 4480621632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 5856, 7320, 8784, 9760, 10980, 14640, 17568, 20663, 21960, 29280, 41326, 43920, 61989, 82652, 87840, 103315, 123978, 165304, 185967, 206630, 247956, 309945, 330608, 371934, 413260, 495912, 619890, 661216, 743868, 826520, 929835, 991824, 1239780, 1260443, 1487736, 1653040, 1859670, 1983648, 2479560, 2520886, 2975472, 3306080, 3719340, 3781329, 4959120, 5041772, 5950944, 6302215, 7438680, 7562658, 9918240, 10083544, 11343987, 12604430, 14877360, 15125316, 18906645, 20167088, 22687974, 25208860, 29754720, 30250632, 37813290, 40334176, 45375948, 50417720, 56719935, 60501264, 75626580, 90751896, 100835440, 113439870, 121002528, 151253160, 181503792, 201670880, 226879740, 302506320, 363007584, 453759480, 605012640, 907518960, 1815037920]

約数ペア:

[(1, 1815037920), (2, 907518960), (3, 605012640), (4, 453759480), (5, 363007584), (6, 302506320), (8, 226879740), (9, 201670880), (10, 181503792), (12, 151253160), (15, 121002528), (16, 113439870), (18, 100835440), (20, 90751896), (24, 75626580), (30, 60501264), (32, 56719935), (36, 50417720), (40, 45375948), (45, 40334176), (48, 37813290), (60, 30250632), (61, 29754720), (72, 25208860), (80, 22687974), (90, 20167088), (96, 18906645), (120, 15125316), (122, 14877360), (144, 12604430), (160, 11343987), (180, 10083544), (183, 9918240), (240, 7562658), (244, 7438680), (288, 6302215), (305, 5950944), (360, 5041772), (366, 4959120), (480, 3781329), (488, 3719340), (549, 3306080), (610, 2975472), (720, 2520886), (732, 2479560), (915, 1983648), (976, 1859670), (1098, 1653040), (1220, 1487736), (1440, 1260443), (1464, 1239780), (1830, 991824), (1952, 929835), (2196, 826520), (2440, 743868), (2745, 661216), (2928, 619890), (3660, 495912), (4392, 413260), (4880, 371934), (5490, 330608), (5856, 309945), (7320, 247956), (8784, 206630), (9760, 185967), (10980, 165304), (14640, 123978), (17568, 103315), (20663, 87840), (21960, 82652), (29280, 61989), (41326, 43920)]