281881080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1231

約数の個数: 256

約数和(自身を含む): 1072310400

約数和(自身を除く): 790429320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 51, 52, 54, 60, 65, 68, 72, 78, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 153, 156, 170, 180, 195, 204, 216, 221, 234, 255, 260, 270, 306, 312, 340, 351, 360, 390, 408, 442, 459, 468, 510, 520, 540, 585, 612, 663, 680, 702, 765, 780, 884, 918, 936, 1020, 1080, 1105, 1170, 1181, 1224, 1326, 1404, 1530, 1560, 1755, 1768, 1836, 1989, 2040, 2210, 2295, 2340, 2362, 2652, 2808, 3060, 3315, 3510, 3543, 3672, 3978, 4420, 4590, 4680, 4724, 5304, 5905, 5967, 6120, 6630, 7020, 7086, 7956, 8840, 9180, 9448, 9945, 10629, 11810, 11934, 13260, 14040, 14172, 15353, 15912, 17715, 18360, 19890, 20077, 21258, 23620, 23868, 26520, 28344, 29835, 30706, 31887, 35430, 39780, 40154, 42516, 46059, 47240, 47736, 53145, 59670, 60231, 61412, 63774, 70860, 76765, 79560, 80308, 85032, 92118, 100385, 106290, 119340, 120462, 122824, 127548, 138177, 141720, 153530, 159435, 160616, 180693, 184236, 200770, 212580, 230295, 238680, 240924, 255096, 261001, 276354, 301155, 307060, 318870, 361386, 368472, 401540, 414531, 425160, 460590, 481848, 522002, 542079, 552708, 602310, 614120, 637740, 690885, 722772, 783003, 803080, 829062, 903465, 921180, 1044004, 1084158, 1105416, 1204620, 1275480, 1305005, 1381770, 1445544, 1566006, 1658124, 1806930, 1842360, 2072655, 2088008, 2168316, 2349009, 2409240, 2610010, 2710395, 2763540, 3132012, 3316248, 3613860, 3915015, 4145310, 4336632, 4698018, 5220020, 5420790, 5527080, 6264024, 7047027, 7227720, 7830030, 8290620, 9396036, 10440040, 10841580, 11745045, 14094054, 15660060, 16581240, 18792072, 21683160, 23490090, 28188108, 31320120, 35235135, 46980180, 56376216, 70470270, 93960360, 140940540, 281881080]

約数ペア:

[(1, 281881080), (2, 140940540), (3, 93960360), (4, 70470270), (5, 56376216), (6, 46980180), (8, 35235135), (9, 31320120), (10, 28188108), (12, 23490090), (13, 21683160), (15, 18792072), (17, 16581240), (18, 15660060), (20, 14094054), (24, 11745045), (26, 10841580), (27, 10440040), (30, 9396036), (34, 8290620), (36, 7830030), (39, 7227720), (40, 7047027), (45, 6264024), (51, 5527080), (52, 5420790), (54, 5220020), (60, 4698018), (65, 4336632), (68, 4145310), (72, 3915015), (78, 3613860), (85, 3316248), (90, 3132012), (102, 2763540), (104, 2710395), (108, 2610010), (117, 2409240), (120, 2349009), (130, 2168316), (135, 2088008), (136, 2072655), (153, 1842360), (156, 1806930), (170, 1658124), (180, 1566006), (195, 1445544), (204, 1381770), (216, 1305005), (221, 1275480), (234, 1204620), (255, 1105416), (260, 1084158), (270, 1044004), (306, 921180), (312, 903465), (340, 829062), (351, 803080), (360, 783003), (390, 722772), (408, 690885), (442, 637740), (459, 614120), (468, 602310), (510, 552708), (520, 542079), (540, 522002), (585, 481848), (612, 460590), (663, 425160), (680, 414531), (702, 401540), (765, 368472), (780, 361386), (884, 318870), (918, 307060), (936, 301155), (1020, 276354), (1080, 261001), (1105, 255096), (1170, 240924), (1181, 238680), (1224, 230295), (1326, 212580), (1404, 200770), (1530, 184236), (1560, 180693), (1755, 160616), (1768, 159435), (1836, 153530), (1989, 141720), (2040, 138177), (2210, 127548), (2295, 122824), (2340, 120462), (2362, 119340), (2652, 106290), (2808, 100385), (3060, 92118), (3315, 85032), (3510, 80308), (3543, 79560), (3672, 76765), (3978, 70860), (4420, 63774), (4590, 61412), (4680, 60231), (4724, 59670), (5304, 53145), (5905, 47736), (5967, 47240), (6120, 46059), (6630, 42516), (7020, 40154), (7086, 39780), (7956, 35430), (8840, 31887), (9180, 30706), (9448, 29835), (9945, 28344), (10629, 26520), (11810, 23868), (11934, 23620), (13260, 21258), (14040, 20077), (14172, 19890), (15353, 18360), (15912, 17715)]