28086240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 192

約数和(自身を含む): 109057536

約数和(自身を除く): 80971296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 643, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1286, 1365, 1456, 1560, 1680, 1820, 1929, 2080, 2184, 2572, 2730, 2912, 3120, 3215, 3360, 3640, 3858, 4368, 4501, 5144, 5460, 6240, 6430, 7280, 7716, 8359, 8736, 9002, 9645, 10288, 10920, 12860, 13503, 14560, 15432, 16718, 18004, 19290, 20576, 21840, 22505, 25077, 25720, 27006, 30864, 33436, 36008, 38580, 41795, 43680, 45010, 50154, 51440, 54012, 58513, 61728, 66872, 67515, 72016, 77160, 83590, 90020, 100308, 102880, 108024, 117026, 125385, 133744, 135030, 144032, 154320, 167180, 175539, 180040, 200616, 216048, 234052, 250770, 267488, 270060, 292565, 308640, 334360, 351078, 360080, 401232, 432096, 468104, 501540, 540120, 585130, 668720, 702156, 720160, 802464, 877695, 936208, 1003080, 1080240, 1170260, 1337440, 1404312, 1755390, 1872416, 2006160, 2160480, 2340520, 2808624, 3510780, 4012320, 4681040, 5617248, 7021560, 9362080, 14043120, 28086240]

約数ペア:

[(1, 28086240), (2, 14043120), (3, 9362080), (4, 7021560), (5, 5617248), (6, 4681040), (7, 4012320), (8, 3510780), (10, 2808624), (12, 2340520), (13, 2160480), (14, 2006160), (15, 1872416), (16, 1755390), (20, 1404312), (21, 1337440), (24, 1170260), (26, 1080240), (28, 1003080), (30, 936208), (32, 877695), (35, 802464), (39, 720160), (40, 702156), (42, 668720), (48, 585130), (52, 540120), (56, 501540), (60, 468104), (65, 432096), (70, 401232), (78, 360080), (80, 351078), (84, 334360), (91, 308640), (96, 292565), (104, 270060), (105, 267488), (112, 250770), (120, 234052), (130, 216048), (140, 200616), (156, 180040), (160, 175539), (168, 167180), (182, 154320), (195, 144032), (208, 135030), (210, 133744), (224, 125385), (240, 117026), (260, 108024), (273, 102880), (280, 100308), (312, 90020), (336, 83590), (364, 77160), (390, 72016), (416, 67515), (420, 66872), (455, 61728), (480, 58513), (520, 54012), (546, 51440), (560, 50154), (624, 45010), (643, 43680), (672, 41795), (728, 38580), (780, 36008), (840, 33436), (910, 30864), (1040, 27006), (1092, 25720), (1120, 25077), (1248, 22505), (1286, 21840), (1365, 20576), (1456, 19290), (1560, 18004), (1680, 16718), (1820, 15432), (1929, 14560), (2080, 13503), (2184, 12860), (2572, 10920), (2730, 10288), (2912, 9645), (3120, 9002), (3215, 8736), (3360, 8359), (3640, 7716), (3858, 7280), (4368, 6430), (4501, 6240), (5144, 5460)]