78515760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 120

約数和(自身を含む): 252729360

約数和(自身を除く): 174213600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 389, 435, 464, 580, 696, 778, 841, 870, 1160, 1167, 1392, 1556, 1682, 1740, 1945, 2320, 2334, 2523, 3112, 3364, 3480, 3890, 4205, 4668, 5046, 5835, 6224, 6728, 6960, 7780, 8410, 9336, 10092, 11281, 11670, 12615, 13456, 15560, 16820, 18672, 20184, 22562, 23340, 25230, 31120, 33640, 33843, 40368, 45124, 46680, 50460, 56405, 67280, 67686, 90248, 93360, 100920, 112810, 135372, 169215, 180496, 201840, 225620, 270744, 327149, 338430, 451240, 541488, 654298, 676860, 902480, 981447, 1308596, 1353720, 1635745, 1962894, 2617192, 2707440, 3271490, 3925788, 4907235, 5234384, 6542980, 7851576, 9814470, 13085960, 15703152, 19628940, 26171920, 39257880, 78515760]

約数ペア:

[(1, 78515760), (2, 39257880), (3, 26171920), (4, 19628940), (5, 15703152), (6, 13085960), (8, 9814470), (10, 7851576), (12, 6542980), (15, 5234384), (16, 4907235), (20, 3925788), (24, 3271490), (29, 2707440), (30, 2617192), (40, 1962894), (48, 1635745), (58, 1353720), (60, 1308596), (80, 981447), (87, 902480), (116, 676860), (120, 654298), (145, 541488), (174, 451240), (232, 338430), (240, 327149), (290, 270744), (348, 225620), (389, 201840), (435, 180496), (464, 169215), (580, 135372), (696, 112810), (778, 100920), (841, 93360), (870, 90248), (1160, 67686), (1167, 67280), (1392, 56405), (1556, 50460), (1682, 46680), (1740, 45124), (1945, 40368), (2320, 33843), (2334, 33640), (2523, 31120), (3112, 25230), (3364, 23340), (3480, 22562), (3890, 20184), (4205, 18672), (4668, 16820), (5046, 15560), (5835, 13456), (6224, 12615), (6728, 11670), (6960, 11281), (7780, 10092), (8410, 9336)]