90281520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{853}}^1$

素因数の和:889

約数の個数: 240

約数和(自身を含む): 362164320

約数和(自身を除く): 271882800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 853, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1706, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2559, 2646, 2940, 3024, 3412, 3528, 3780, 3920, 4265, 4410, 5040, 5118, 5292, 5880, 5971, 6615, 6824, 7056, 7560, 7677, 8530, 8820, 10236, 10584, 11760, 11942, 12795, 13230, 13648, 15120, 15354, 17060, 17640, 17913, 20472, 21168, 23031, 23884, 25590, 26460, 29855, 30708, 34120, 35280, 35826, 38385, 40944, 41797, 46062, 47768, 51180, 52920, 53739, 59710, 61416, 68240, 71652, 76770, 83594, 89565, 92124, 95536, 102360, 105840, 107478, 115155, 119420, 122832, 125391, 143304, 153540, 161217, 167188, 179130, 184248, 204720, 208985, 214956, 230310, 238840, 250782, 268695, 286608, 307080, 322434, 334376, 358260, 368496, 376173, 417970, 429912, 460620, 477680, 501564, 537390, 614160, 626955, 644868, 668752, 716520, 752346, 806085, 835940, 859824, 921240, 1003128, 1074780, 1128519, 1253910, 1289736, 1433040, 1504692, 1612170, 1671880, 1842480, 1880865, 2006256, 2149560, 2257038, 2507820, 2579472, 3009384, 3224340, 3343760, 3761730, 4299120, 4514076, 5015640, 5642595, 6018768, 6448680, 7523460, 9028152, 10031280, 11285190, 12897360, 15046920, 18056304, 22570380, 30093840, 45140760, 90281520]

約数ペア:

[(1, 90281520), (2, 45140760), (3, 30093840), (4, 22570380), (5, 18056304), (6, 15046920), (7, 12897360), (8, 11285190), (9, 10031280), (10, 9028152), (12, 7523460), (14, 6448680), (15, 6018768), (16, 5642595), (18, 5015640), (20, 4514076), (21, 4299120), (24, 3761730), (27, 3343760), (28, 3224340), (30, 3009384), (35, 2579472), (36, 2507820), (40, 2257038), (42, 2149560), (45, 2006256), (48, 1880865), (49, 1842480), (54, 1671880), (56, 1612170), (60, 1504692), (63, 1433040), (70, 1289736), (72, 1253910), (80, 1128519), (84, 1074780), (90, 1003128), (98, 921240), (105, 859824), (108, 835940), (112, 806085), (120, 752346), (126, 716520), (135, 668752), (140, 644868), (144, 626955), (147, 614160), (168, 537390), (180, 501564), (189, 477680), (196, 460620), (210, 429912), (216, 417970), (240, 376173), (245, 368496), (252, 358260), (270, 334376), (280, 322434), (294, 307080), (315, 286608), (336, 268695), (360, 250782), (378, 238840), (392, 230310), (420, 214956), (432, 208985), (441, 204720), (490, 184248), (504, 179130), (540, 167188), (560, 161217), (588, 153540), (630, 143304), (720, 125391), (735, 122832), (756, 119420), (784, 115155), (840, 107478), (853, 105840), (882, 102360), (945, 95536), (980, 92124), (1008, 89565), (1080, 83594), (1176, 76770), (1260, 71652), (1323, 68240), (1470, 61416), (1512, 59710), (1680, 53739), (1706, 52920), (1764, 51180), (1890, 47768), (1960, 46062), (2160, 41797), (2205, 40944), (2352, 38385), (2520, 35826), (2559, 35280), (2646, 34120), (2940, 30708), (3024, 29855), (3412, 26460), (3528, 25590), (3780, 23884), (3920, 23031), (4265, 21168), (4410, 20472), (5040, 17913), (5118, 17640), (5292, 17060), (5880, 15354), (5971, 15120), (6615, 13648), (6824, 13230), (7056, 12795), (7560, 11942), (7677, 11760), (8530, 10584), (8820, 10236)]