280966140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1061

約数の個数: 288

約数和(自身を含む): 1111743360

約数和(自身を除く): 830777220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 26, 28, 30, 34, 35, 36, 39, 42, 45, 51, 52, 60, 63, 65, 68, 70, 78, 84, 85, 90, 91, 102, 105, 117, 119, 126, 130, 140, 153, 156, 170, 180, 182, 195, 204, 210, 221, 234, 238, 252, 255, 260, 273, 306, 315, 340, 357, 364, 390, 420, 442, 455, 468, 476, 510, 546, 585, 595, 612, 630, 663, 714, 765, 780, 819, 884, 910, 1009, 1020, 1071, 1092, 1105, 1170, 1190, 1260, 1326, 1365, 1428, 1530, 1547, 1638, 1785, 1820, 1989, 2018, 2142, 2210, 2340, 2380, 2652, 2730, 3027, 3060, 3094, 3276, 3315, 3570, 3978, 4036, 4095, 4284, 4420, 4641, 5045, 5355, 5460, 6054, 6188, 6630, 7063, 7140, 7735, 7956, 8190, 9081, 9282, 9945, 10090, 10710, 12108, 13117, 13260, 13923, 14126, 15135, 15470, 16380, 17153, 18162, 18564, 19890, 20180, 21189, 21420, 23205, 26234, 27846, 28252, 30270, 30940, 34306, 35315, 36324, 39351, 39780, 42378, 45405, 46410, 51459, 52468, 55692, 60540, 63567, 65585, 68612, 69615, 70630, 78702, 84756, 85765, 90810, 91819, 92820, 102918, 105945, 118053, 120071, 127134, 131170, 139230, 141260, 154377, 157404, 171530, 181620, 183638, 196755, 205836, 211890, 222989, 236106, 240142, 254268, 257295, 262340, 275457, 278460, 308754, 317835, 343060, 360213, 367276, 393510, 423780, 445978, 459095, 472212, 480284, 514590, 550914, 590265, 600355, 617508, 635670, 668967, 720426, 771885, 787020, 826371, 891956, 918190, 1029180, 1080639, 1101828, 1114945, 1180530, 1200710, 1271340, 1337934, 1377285, 1440852, 1543770, 1560923, 1652742, 1801065, 1836380, 2006901, 2161278, 2229890, 2361060, 2401420, 2675868, 2754570, 3087540, 3121846, 3305484, 3344835, 3602130, 4013802, 4131855, 4322556, 4459780, 4682769, 5403195, 5509140, 6243692, 6689670, 7204260, 7804615, 8027604, 8263710, 9365538, 10034505, 10806390, 13379340, 14048307, 15609230, 16527420, 18731076, 20069010, 21612780, 23413845, 28096614, 31218460, 40138020, 46827690, 56193228, 70241535, 93655380, 140483070, 280966140]

約数ペア:

[(1, 280966140), (2, 140483070), (3, 93655380), (4, 70241535), (5, 56193228), (6, 46827690), (7, 40138020), (9, 31218460), (10, 28096614), (12, 23413845), (13, 21612780), (14, 20069010), (15, 18731076), (17, 16527420), (18, 15609230), (20, 14048307), (21, 13379340), (26, 10806390), (28, 10034505), (30, 9365538), (34, 8263710), (35, 8027604), (36, 7804615), (39, 7204260), (42, 6689670), (45, 6243692), (51, 5509140), (52, 5403195), (60, 4682769), (63, 4459780), (65, 4322556), (68, 4131855), (70, 4013802), (78, 3602130), (84, 3344835), (85, 3305484), (90, 3121846), (91, 3087540), (102, 2754570), (105, 2675868), (117, 2401420), (119, 2361060), (126, 2229890), (130, 2161278), (140, 2006901), (153, 1836380), (156, 1801065), (170, 1652742), (180, 1560923), (182, 1543770), (195, 1440852), (204, 1377285), (210, 1337934), (221, 1271340), (234, 1200710), (238, 1180530), (252, 1114945), (255, 1101828), (260, 1080639), (273, 1029180), (306, 918190), (315, 891956), (340, 826371), (357, 787020), (364, 771885), (390, 720426), (420, 668967), (442, 635670), (455, 617508), (468, 600355), (476, 590265), (510, 550914), (546, 514590), (585, 480284), (595, 472212), (612, 459095), (630, 445978), (663, 423780), (714, 393510), (765, 367276), (780, 360213), (819, 343060), (884, 317835), (910, 308754), (1009, 278460), (1020, 275457), (1071, 262340), (1092, 257295), (1105, 254268), (1170, 240142), (1190, 236106), (1260, 222989), (1326, 211890), (1365, 205836), (1428, 196755), (1530, 183638), (1547, 181620), (1638, 171530), (1785, 157404), (1820, 154377), (1989, 141260), (2018, 139230), (2142, 131170), (2210, 127134), (2340, 120071), (2380, 118053), (2652, 105945), (2730, 102918), (3027, 92820), (3060, 91819), (3094, 90810), (3276, 85765), (3315, 84756), (3570, 78702), (3978, 70630), (4036, 69615), (4095, 68612), (4284, 65585), (4420, 63567), (4641, 60540), (5045, 55692), (5355, 52468), (5460, 51459), (6054, 46410), (6188, 45405), (6630, 42378), (7063, 39780), (7140, 39351), (7735, 36324), (7956, 35315), (8190, 34306), (9081, 30940), (9282, 30270), (9945, 28252), (10090, 27846), (10710, 26234), (12108, 23205), (13117, 21420), (13260, 21189), (13923, 20180), (14126, 19890), (15135, 18564), (15470, 18162), (16380, 17153)]