18729728640

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{66361}}^1$

素因数の和:66400

約数の個数: 288

約数和(自身を含む): 75236590260

約数和(自身を除く): 56506861620

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1920, 1960, 2016, 2205, 2240, 2352, 2520, 2688, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4480, 4704, 5040, 5760, 5880, 6272, 6720, 7056, 7840, 8064, 8820, 9408, 10080, 11760, 13440, 14112, 15680, 17640, 18816, 20160, 23520, 28224, 31360, 35280, 40320, 47040, 56448, 66361, 70560, 94080, 132722, 141120, 199083, 265444, 282240, 331805, 398166, 464527, 530888, 597249, 663610, 796332, 929054, 995415, 1061776, 1194498, 1327220, 1393581, 1592664, 1858108, 1990830, 2123552, 2322635, 2388996, 2654440, 2787162, 2986245, 3185328, 3251689, 3716216, 3981660, 4180743, 4247104, 4645270, 4777992, 5308880, 5574324, 5972490, 6370656, 6503378, 6967905, 7432432, 7963320, 8361486, 8494208, 9290540, 9555984, 9755067, 10617760, 11148648, 11944980, 12741312, 13006756, 13935810, 14864864, 15926640, 16258445, 16722972, 18581080, 19111968, 19510134, 20903715, 21235520, 22297296, 23889960, 25482624, 26013512, 27871620, 29265201, 29729728, 31853280, 32516890, 33445944, 37162160, 38223936, 39020268, 41807430, 42471040, 44594592, 47779920, 48775335, 52027024, 55743240, 58530402, 59459456, 63706560, 65033780, 66891888, 74324320, 76447872, 78040536, 83614860, 89189184, 95559840, 97550670, 104054048, 111486480, 117060804, 127413120, 130067560, 133783776, 146326005, 148648640, 156081072, 167229720, 178378368, 191119680, 195101340, 208108096, 222972960, 234121608, 260135120, 267567552, 292652010, 297297280, 312162144, 334459440, 382239360, 390202680, 416216192, 445945920, 468243216, 520270240, 535135104, 585304020, 624324288, 668918880, 780405360, 891891840, 936486432, 1040540480, 1170608040, 1248648576, 1337837760, 1560810720, 1872972864, 2081080960, 2341216080, 2675675520, 3121621440, 3745945728, 4682432160, 6243242880, 9364864320, 18729728640]

約数ペア:

[(1, 18729728640), (2, 9364864320), (3, 6243242880), (4, 4682432160), (5, 3745945728), (6, 3121621440), (7, 2675675520), (8, 2341216080), (9, 2081080960), (10, 1872972864), (12, 1560810720), (14, 1337837760), (15, 1248648576), (16, 1170608040), (18, 1040540480), (20, 936486432), (21, 891891840), (24, 780405360), (28, 668918880), (30, 624324288), (32, 585304020), (35, 535135104), (36, 520270240), (40, 468243216), (42, 445945920), (45, 416216192), (48, 390202680), (49, 382239360), (56, 334459440), (60, 312162144), (63, 297297280), (64, 292652010), (70, 267567552), (72, 260135120), (80, 234121608), (84, 222972960), (90, 208108096), (96, 195101340), (98, 191119680), (105, 178378368), (112, 167229720), (120, 156081072), (126, 148648640), (128, 146326005), (140, 133783776), (144, 130067560), (147, 127413120), (160, 117060804), (168, 111486480), (180, 104054048), (192, 97550670), (196, 95559840), (210, 89189184), (224, 83614860), (240, 78040536), (245, 76447872), (252, 74324320), (280, 66891888), (288, 65033780), (294, 63706560), (315, 59459456), (320, 58530402), (336, 55743240), (360, 52027024), (384, 48775335), (392, 47779920), (420, 44594592), (441, 42471040), (448, 41807430), (480, 39020268), (490, 38223936), (504, 37162160), (560, 33445944), (576, 32516890), (588, 31853280), (630, 29729728), (640, 29265201), (672, 27871620), (720, 26013512), (735, 25482624), (784, 23889960), (840, 22297296), (882, 21235520), (896, 20903715), (960, 19510134), (980, 19111968), (1008, 18581080), (1120, 16722972), (1152, 16258445), (1176, 15926640), (1260, 14864864), (1344, 13935810), (1440, 13006756), (1470, 12741312), (1568, 11944980), (1680, 11148648), (1764, 10617760), (1920, 9755067), (1960, 9555984), (2016, 9290540), (2205, 8494208), (2240, 8361486), (2352, 7963320), (2520, 7432432), (2688, 6967905), (2880, 6503378), (2940, 6370656), (3136, 5972490), (3360, 5574324), (3528, 5308880), (3920, 4777992), (4032, 4645270), (4410, 4247104), (4480, 4180743), (4704, 3981660), (5040, 3716216), (5760, 3251689), (5880, 3185328), (6272, 2986245), (6720, 2787162), (7056, 2654440), (7840, 2388996), (8064, 2322635), (8820, 2123552), (9408, 1990830), (10080, 1858108), (11760, 1592664), (13440, 1393581), (14112, 1327220), (15680, 1194498), (17640, 1061776), (18816, 995415), (20160, 929054), (23520, 796332), (28224, 663610), (31360, 597249), (35280, 530888), (40320, 464527), (47040, 398166), (56448, 331805), (66361, 282240), (70560, 265444), (94080, 199083), (132722, 141120)]