278520480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{27631}}^1$

素因数の和:27659

約数の個数: 144

約数和(自身を含む): 1086269184

約数和(自身を除く): 807748704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 27631, 55262, 82893, 110524, 138155, 165786, 193417, 221048, 248679, 276310, 331572, 386834, 414465, 442096, 497358, 552620, 580251, 663144, 773668, 828930, 884192, 967085, 994716, 1105240, 1160502, 1243395, 1326288, 1547336, 1657860, 1740753, 1934170, 1989432, 2210480, 2321004, 2486790, 2652576, 2901255, 3094672, 3315720, 3481506, 3868340, 3978864, 4420960, 4642008, 4973580, 5802510, 6189344, 6631440, 6963012, 7736680, 7957728, 8703765, 9284016, 9947160, 11605020, 13262880, 13926024, 15473360, 17407530, 18568032, 19894320, 23210040, 27852048, 30946720, 34815060, 39788640, 46420080, 55704096, 69630120, 92840160, 139260240, 278520480]

約数ペア:

[(1, 278520480), (2, 139260240), (3, 92840160), (4, 69630120), (5, 55704096), (6, 46420080), (7, 39788640), (8, 34815060), (9, 30946720), (10, 27852048), (12, 23210040), (14, 19894320), (15, 18568032), (16, 17407530), (18, 15473360), (20, 13926024), (21, 13262880), (24, 11605020), (28, 9947160), (30, 9284016), (32, 8703765), (35, 7957728), (36, 7736680), (40, 6963012), (42, 6631440), (45, 6189344), (48, 5802510), (56, 4973580), (60, 4642008), (63, 4420960), (70, 3978864), (72, 3868340), (80, 3481506), (84, 3315720), (90, 3094672), (96, 2901255), (105, 2652576), (112, 2486790), (120, 2321004), (126, 2210480), (140, 1989432), (144, 1934170), (160, 1740753), (168, 1657860), (180, 1547336), (210, 1326288), (224, 1243395), (240, 1160502), (252, 1105240), (280, 994716), (288, 967085), (315, 884192), (336, 828930), (360, 773668), (420, 663144), (480, 580251), (504, 552620), (560, 497358), (630, 442096), (672, 414465), (720, 386834), (840, 331572), (1008, 276310), (1120, 248679), (1260, 221048), (1440, 193417), (1680, 165786), (2016, 138155), (2520, 110524), (3360, 82893), (5040, 55262), (10080, 27631)]