245121240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22447}}^1$

素因数の和:22481

約数の個数: 128

約数和(自身を含む): 905103360

約数和(自身を除く): 659982120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 22447, 44894, 67341, 89788, 112235, 134682, 157129, 179576, 224470, 269364, 291811, 314258, 336705, 448940, 471387, 538728, 583622, 628516, 673410, 785645, 875433, 897880, 942774, 1167244, 1257032, 1346820, 1459055, 1571290, 1750866, 1885548, 2042677, 2334488, 2356935, 2693640, 2918110, 3142580, 3501732, 3771096, 4085354, 4377165, 4713870, 5836220, 6128031, 6285160, 7003464, 8170708, 8754330, 9427740, 10213385, 11672440, 12256062, 16341416, 17508660, 18855480, 20426770, 24512124, 30640155, 35017320, 40853540, 49024248, 61280310, 81707080, 122560620, 245121240]

約数ペア:

[(1, 245121240), (2, 122560620), (3, 81707080), (4, 61280310), (5, 49024248), (6, 40853540), (7, 35017320), (8, 30640155), (10, 24512124), (12, 20426770), (13, 18855480), (14, 17508660), (15, 16341416), (20, 12256062), (21, 11672440), (24, 10213385), (26, 9427740), (28, 8754330), (30, 8170708), (35, 7003464), (39, 6285160), (40, 6128031), (42, 5836220), (52, 4713870), (56, 4377165), (60, 4085354), (65, 3771096), (70, 3501732), (78, 3142580), (84, 2918110), (91, 2693640), (104, 2356935), (105, 2334488), (120, 2042677), (130, 1885548), (140, 1750866), (156, 1571290), (168, 1459055), (182, 1346820), (195, 1257032), (210, 1167244), (260, 942774), (273, 897880), (280, 875433), (312, 785645), (364, 673410), (390, 628516), (420, 583622), (455, 538728), (520, 471387), (546, 448940), (728, 336705), (780, 314258), (840, 291811), (910, 269364), (1092, 224470), (1365, 179576), (1560, 157129), (1820, 134682), (2184, 112235), (2730, 89788), (3640, 67341), (5460, 44894), (10920, 22447)]