290722320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1622

約数の個数: 240

約数和(自身を含む): 1146712320

約数和(自身を除く): 855990000

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, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1559, 1665, 1680, 1776, 2072, 2220, 2331, 2520, 2590, 2664, 2960, 3108, 3118, 3330, 3885, 4144, 4440, 4662, 4677, 5040, 5180, 5328, 6216, 6236, 6660, 7770, 7795, 8880, 9324, 9354, 10360, 10913, 11655, 12432, 12472, 13320, 14031, 15540, 15590, 18648, 18708, 20720, 21826, 23310, 23385, 24944, 26640, 28062, 31080, 31180, 32739, 37296, 37416, 43652, 46620, 46770, 54565, 56124, 57683, 62160, 62360, 65478, 70155, 74832, 87304, 93240, 93540, 98217, 109130, 112248, 115366, 124720, 130956, 140310, 163695, 173049, 174608, 186480, 187080, 196434, 218260, 224496, 230732, 261912, 280620, 288415, 327390, 346098, 374160, 392868, 403781, 436520, 461464, 491085, 519147, 523824, 561240, 576830, 654780, 692196, 785736, 807562, 865245, 873040, 922928, 982170, 1038294, 1122480, 1153660, 1211343, 1309560, 1384392, 1571472, 1615124, 1730490, 1964340, 2018905, 2076588, 2307320, 2422686, 2595735, 2619120, 2768784, 3230248, 3460980, 3634029, 3928680, 4037810, 4153176, 4614640, 4845372, 5191470, 6056715, 6460496, 6921960, 7268058, 7857360, 8075620, 8306352, 9690744, 10382940, 12113430, 13843920, 14536116, 16151240, 18170145, 19381488, 20765880, 24226860, 29072232, 32302480, 36340290, 41531760, 48453720, 58144464, 72680580, 96907440, 145361160, 290722320]

約数ペア:

[(1, 290722320), (2, 145361160), (3, 96907440), (4, 72680580), (5, 58144464), (6, 48453720), (7, 41531760), (8, 36340290), (9, 32302480), (10, 29072232), (12, 24226860), (14, 20765880), (15, 19381488), (16, 18170145), (18, 16151240), (20, 14536116), (21, 13843920), (24, 12113430), (28, 10382940), (30, 9690744), (35, 8306352), (36, 8075620), (37, 7857360), (40, 7268058), (42, 6921960), (45, 6460496), (48, 6056715), (56, 5191470), (60, 4845372), (63, 4614640), (70, 4153176), (72, 4037810), (74, 3928680), (80, 3634029), (84, 3460980), (90, 3230248), (105, 2768784), (111, 2619120), (112, 2595735), (120, 2422686), (126, 2307320), (140, 2076588), (144, 2018905), (148, 1964340), (168, 1730490), (180, 1615124), (185, 1571472), (210, 1384392), (222, 1309560), (240, 1211343), (252, 1153660), (259, 1122480), (280, 1038294), (296, 982170), (315, 922928), (333, 873040), (336, 865245), (360, 807562), (370, 785736), (420, 692196), (444, 654780), (504, 576830), (518, 561240), (555, 523824), (560, 519147), (592, 491085), (630, 461464), (666, 436520), (720, 403781), (740, 392868), (777, 374160), (840, 346098), (888, 327390), (1008, 288415), (1036, 280620), (1110, 261912), (1260, 230732), (1295, 224496), (1332, 218260), (1480, 196434), (1554, 187080), (1559, 186480), (1665, 174608), (1680, 173049), (1776, 163695), (2072, 140310), (2220, 130956), (2331, 124720), (2520, 115366), (2590, 112248), (2664, 109130), (2960, 98217), (3108, 93540), (3118, 93240), (3330, 87304), (3885, 74832), (4144, 70155), (4440, 65478), (4662, 62360), (4677, 62160), (5040, 57683), (5180, 56124), (5328, 54565), (6216, 46770), (6236, 46620), (6660, 43652), (7770, 37416), (7795, 37296), (8880, 32739), (9324, 31180), (9354, 31080), (10360, 28062), (10913, 26640), (11655, 24944), (12432, 23385), (12472, 23310), (13320, 21826), (14031, 20720), (15540, 18708), (15590, 18648)]