1970201520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9091}}^1$

素因数の和:9160

約数の個数: 240

約数和(自身を含む): 7738528512

約数和(自身を除く): 5768326992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 280, 301, 315, 336, 344, 360, 387, 420, 430, 504, 516, 560, 602, 630, 645, 688, 720, 774, 840, 860, 903, 1008, 1032, 1204, 1260, 1290, 1505, 1548, 1680, 1720, 1806, 1935, 2064, 2408, 2520, 2580, 2709, 3010, 3096, 3440, 3612, 3870, 4515, 4816, 5040, 5160, 5418, 6020, 6192, 7224, 7740, 9030, 9091, 10320, 10836, 12040, 13545, 14448, 15480, 18060, 18182, 21672, 24080, 27090, 27273, 30960, 36120, 36364, 43344, 45455, 54180, 54546, 63637, 72240, 72728, 81819, 90910, 108360, 109092, 127274, 136365, 145456, 163638, 181820, 190911, 216720, 218184, 254548, 272730, 318185, 327276, 363640, 381822, 390913, 409095, 436368, 509096, 545460, 572733, 636370, 654552, 727280, 763644, 781826, 818190, 954555, 1018192, 1090920, 1145466, 1172739, 1272740, 1309104, 1527288, 1563652, 1636380, 1909110, 1954565, 2181840, 2290932, 2345478, 2545480, 2736391, 2863665, 3054576, 3127304, 3272760, 3518217, 3818220, 3909130, 4581864, 4690956, 5090960, 5472782, 5727330, 5863695, 6254608, 6545520, 7036434, 7636440, 7818260, 8209173, 9163728, 9381912, 10945564, 11454660, 11727390, 13681955, 14072868, 15272880, 15636520, 16418346, 17591085, 18763824, 21891128, 22909320, 23454780, 24627519, 27363910, 28145736, 31273040, 32836692, 35182170, 41045865, 43782256, 45818640, 46909560, 49255038, 54727820, 56291472, 65673384, 70364340, 82091730, 93819120, 98510076, 109455640, 123137595, 131346768, 140728680, 164183460, 197020152, 218911280, 246275190, 281457360, 328366920, 394040304, 492550380, 656733840, 985100760, 1970201520]

約数ペア:

[(1, 1970201520), (2, 985100760), (3, 656733840), (4, 492550380), (5, 394040304), (6, 328366920), (7, 281457360), (8, 246275190), (9, 218911280), (10, 197020152), (12, 164183460), (14, 140728680), (15, 131346768), (16, 123137595), (18, 109455640), (20, 98510076), (21, 93819120), (24, 82091730), (28, 70364340), (30, 65673384), (35, 56291472), (36, 54727820), (40, 49255038), (42, 46909560), (43, 45818640), (45, 43782256), (48, 41045865), (56, 35182170), (60, 32836692), (63, 31273040), (70, 28145736), (72, 27363910), (80, 24627519), (84, 23454780), (86, 22909320), (90, 21891128), (105, 18763824), (112, 17591085), (120, 16418346), (126, 15636520), (129, 15272880), (140, 14072868), (144, 13681955), (168, 11727390), (172, 11454660), (180, 10945564), (210, 9381912), (215, 9163728), (240, 8209173), (252, 7818260), (258, 7636440), (280, 7036434), (301, 6545520), (315, 6254608), (336, 5863695), (344, 5727330), (360, 5472782), (387, 5090960), (420, 4690956), (430, 4581864), (504, 3909130), (516, 3818220), (560, 3518217), (602, 3272760), (630, 3127304), (645, 3054576), (688, 2863665), (720, 2736391), (774, 2545480), (840, 2345478), (860, 2290932), (903, 2181840), (1008, 1954565), (1032, 1909110), (1204, 1636380), (1260, 1563652), (1290, 1527288), (1505, 1309104), (1548, 1272740), (1680, 1172739), (1720, 1145466), (1806, 1090920), (1935, 1018192), (2064, 954555), (2408, 818190), (2520, 781826), (2580, 763644), (2709, 727280), (3010, 654552), (3096, 636370), (3440, 572733), (3612, 545460), (3870, 509096), (4515, 436368), (4816, 409095), (5040, 390913), (5160, 381822), (5418, 363640), (6020, 327276), (6192, 318185), (7224, 272730), (7740, 254548), (9030, 218184), (9091, 216720), (10320, 190911), (10836, 181820), (12040, 163638), (13545, 145456), (14448, 136365), (15480, 127274), (18060, 109092), (18182, 108360), (21672, 90910), (24080, 81819), (27090, 72728), (27273, 72240), (30960, 63637), (36120, 54546), (36364, 54180), (43344, 45455)]