18806946080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7883}}^1$

素因数の和:7979

約数の個数: 192

約数和(自身を含む): 50734107648

約数和(自身を除く): 31927161568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 52, 62, 65, 74, 80, 104, 124, 130, 148, 155, 160, 185, 208, 248, 260, 296, 310, 370, 403, 416, 481, 496, 520, 592, 620, 740, 806, 962, 992, 1040, 1147, 1184, 1240, 1480, 1612, 1924, 2015, 2080, 2294, 2405, 2480, 2960, 3224, 3848, 4030, 4588, 4810, 4960, 5735, 5920, 6448, 7696, 7883, 8060, 9176, 9620, 11470, 12896, 14911, 15392, 15766, 16120, 18352, 19240, 22940, 29822, 31532, 32240, 36704, 38480, 39415, 45880, 59644, 63064, 64480, 74555, 76960, 78830, 91760, 102479, 119288, 126128, 149110, 157660, 183520, 204958, 238576, 244373, 252256, 291671, 298220, 315320, 409916, 477152, 488746, 512395, 583342, 596440, 630640, 819832, 977492, 1024790, 1166684, 1192880, 1221865, 1261280, 1458355, 1639664, 1954984, 2049580, 2333368, 2385760, 2443730, 2916710, 3176849, 3279328, 3791723, 3909968, 4099160, 4666736, 4887460, 5833420, 6353698, 7583446, 7819936, 8198320, 9041801, 9333472, 9774920, 11666840, 12707396, 15166892, 15884245, 16396640, 18083602, 18958615, 19549840, 23333680, 25414792, 30333784, 31768490, 36167204, 37917230, 39099680, 45209005, 46667360, 50829584, 60667568, 63536980, 72334408, 75834460, 90418010, 101659168, 117543413, 121335136, 127073960, 144668816, 151668920, 180836020, 235086826, 254147920, 289337632, 303337840, 361672040, 470173652, 508295840, 587717065, 606675680, 723344080, 940347304, 1175434130, 1446688160, 1880694608, 2350868260, 3761389216, 4701736520, 9403473040, 18806946080]

約数ペア:

[(1, 18806946080), (2, 9403473040), (4, 4701736520), (5, 3761389216), (8, 2350868260), (10, 1880694608), (13, 1446688160), (16, 1175434130), (20, 940347304), (26, 723344080), (31, 606675680), (32, 587717065), (37, 508295840), (40, 470173652), (52, 361672040), (62, 303337840), (65, 289337632), (74, 254147920), (80, 235086826), (104, 180836020), (124, 151668920), (130, 144668816), (148, 127073960), (155, 121335136), (160, 117543413), (185, 101659168), (208, 90418010), (248, 75834460), (260, 72334408), (296, 63536980), (310, 60667568), (370, 50829584), (403, 46667360), (416, 45209005), (481, 39099680), (496, 37917230), (520, 36167204), (592, 31768490), (620, 30333784), (740, 25414792), (806, 23333680), (962, 19549840), (992, 18958615), (1040, 18083602), (1147, 16396640), (1184, 15884245), (1240, 15166892), (1480, 12707396), (1612, 11666840), (1924, 9774920), (2015, 9333472), (2080, 9041801), (2294, 8198320), (2405, 7819936), (2480, 7583446), (2960, 6353698), (3224, 5833420), (3848, 4887460), (4030, 4666736), (4588, 4099160), (4810, 3909968), (4960, 3791723), (5735, 3279328), (5920, 3176849), (6448, 2916710), (7696, 2443730), (7883, 2385760), (8060, 2333368), (9176, 2049580), (9620, 1954984), (11470, 1639664), (12896, 1458355), (14911, 1261280), (15392, 1221865), (15766, 1192880), (16120, 1166684), (18352, 1024790), (19240, 977492), (22940, 819832), (29822, 630640), (31532, 596440), (32240, 583342), (36704, 512395), (38480, 488746), (39415, 477152), (45880, 409916), (59644, 315320), (63064, 298220), (64480, 291671), (74555, 252256), (76960, 244373), (78830, 238576), (91760, 204958), (102479, 183520), (119288, 157660), (126128, 149110)]