20121479040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4051}}^1$

素因数の和:4285

約数の個数: 256

約数和(自身を含む): 69435072000

約数和(自身を除く): 49313592960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 199, 208, 240, 260, 312, 320, 384, 390, 398, 416, 480, 520, 597, 624, 640, 780, 796, 832, 960, 995, 1040, 1194, 1248, 1560, 1592, 1664, 1920, 1990, 2080, 2388, 2496, 2587, 2985, 3120, 3184, 3980, 4051, 4160, 4776, 4992, 5174, 5970, 6240, 6368, 7761, 7960, 8102, 8320, 9552, 10348, 11940, 12153, 12480, 12736, 12935, 15522, 15920, 16204, 19104, 20255, 20696, 23880, 24306, 24960, 25472, 25870, 31044, 31840, 32408, 38208, 38805, 40510, 41392, 47760, 48612, 51740, 52663, 60765, 62088, 63680, 64816, 76416, 77610, 81020, 82784, 95520, 97224, 103480, 105326, 121530, 124176, 127360, 129632, 155220, 157989, 162040, 165568, 191040, 194448, 206960, 210652, 243060, 248352, 259264, 263315, 310440, 315978, 324080, 331136, 382080, 388896, 413920, 421304, 486120, 496704, 518528, 526630, 620880, 631956, 648160, 777792, 789945, 806149, 827840, 842608, 972240, 993408, 1053260, 1241760, 1263912, 1296320, 1555584, 1579890, 1612298, 1655680, 1685216, 1944480, 2106520, 2418447, 2483520, 2527824, 2592640, 3159780, 3224596, 3370432, 3888960, 4030745, 4213040, 4836894, 4967040, 5055648, 6319560, 6449192, 6740864, 7777920, 8061490, 8426080, 9673788, 10111296, 10479937, 12092235, 12639120, 12898384, 16122980, 16852160, 19347576, 20222592, 20959874, 24184470, 25278240, 25796768, 31439811, 32245960, 33704320, 38695152, 41919748, 48368940, 50556480, 51593536, 52399685, 62879622, 64491920, 77390304, 83839496, 96737880, 101112960, 103187072, 104799370, 125759244, 128983840, 154780608, 157199055, 167678992, 193475760, 209598740, 251518488, 257967680, 309561216, 314398110, 335357984, 386951520, 419197480, 503036976, 515935360, 628796220, 670715968, 773903040, 838394960, 1006073952, 1257592440, 1341431936, 1547806080, 1676789920, 2012147904, 2515184880, 3353579840, 4024295808, 5030369760, 6707159680, 10060739520, 20121479040]

約数ペア:

[(1, 20121479040), (2, 10060739520), (3, 6707159680), (4, 5030369760), (5, 4024295808), (6, 3353579840), (8, 2515184880), (10, 2012147904), (12, 1676789920), (13, 1547806080), (15, 1341431936), (16, 1257592440), (20, 1006073952), (24, 838394960), (26, 773903040), (30, 670715968), (32, 628796220), (39, 515935360), (40, 503036976), (48, 419197480), (52, 386951520), (60, 335357984), (64, 314398110), (65, 309561216), (78, 257967680), (80, 251518488), (96, 209598740), (104, 193475760), (120, 167678992), (128, 157199055), (130, 154780608), (156, 128983840), (160, 125759244), (192, 104799370), (195, 103187072), (199, 101112960), (208, 96737880), (240, 83839496), (260, 77390304), (312, 64491920), (320, 62879622), (384, 52399685), (390, 51593536), (398, 50556480), (416, 48368940), (480, 41919748), (520, 38695152), (597, 33704320), (624, 32245960), (640, 31439811), (780, 25796768), (796, 25278240), (832, 24184470), (960, 20959874), (995, 20222592), (1040, 19347576), (1194, 16852160), (1248, 16122980), (1560, 12898384), (1592, 12639120), (1664, 12092235), (1920, 10479937), (1990, 10111296), (2080, 9673788), (2388, 8426080), (2496, 8061490), (2587, 7777920), (2985, 6740864), (3120, 6449192), (3184, 6319560), (3980, 5055648), (4051, 4967040), (4160, 4836894), (4776, 4213040), (4992, 4030745), (5174, 3888960), (5970, 3370432), (6240, 3224596), (6368, 3159780), (7761, 2592640), (7960, 2527824), (8102, 2483520), (8320, 2418447), (9552, 2106520), (10348, 1944480), (11940, 1685216), (12153, 1655680), (12480, 1612298), (12736, 1579890), (12935, 1555584), (15522, 1296320), (15920, 1263912), (16204, 1241760), (19104, 1053260), (20255, 993408), (20696, 972240), (23880, 842608), (24306, 827840), (24960, 806149), (25472, 789945), (25870, 777792), (31044, 648160), (31840, 631956), (32408, 620880), (38208, 526630), (38805, 518528), (40510, 496704), (41392, 486120), (47760, 421304), (48612, 413920), (51740, 388896), (52663, 382080), (60765, 331136), (62088, 324080), (63680, 315978), (64816, 310440), (76416, 263315), (77610, 259264), (81020, 248352), (82784, 243060), (95520, 210652), (97224, 206960), (103480, 194448), (105326, 191040), (121530, 165568), (124176, 162040), (127360, 157989), (129632, 155220)]