728422240

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1070

約数の個数: 192

約数和(自身を含む): 2163369600

約数和(自身を除く): 1434947360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 343, 364, 392, 416, 455, 490, 520, 560, 637, 686, 728, 784, 910, 980, 1021, 1040, 1120, 1274, 1372, 1456, 1568, 1715, 1820, 1960, 2042, 2080, 2548, 2744, 2912, 3185, 3430, 3640, 3920, 4084, 4459, 5096, 5105, 5488, 6370, 6860, 7147, 7280, 7840, 8168, 8918, 10192, 10210, 10976, 12740, 13273, 13720, 14294, 14560, 16336, 17836, 20384, 20420, 22295, 25480, 26546, 27440, 28588, 32672, 35672, 35735, 40840, 44590, 50029, 50960, 53092, 54880, 57176, 66365, 71344, 71470, 81680, 89180, 92911, 100058, 101920, 106184, 114352, 132730, 142688, 142940, 163360, 178360, 185822, 200116, 212368, 228704, 250145, 265460, 285880, 350203, 356720, 371644, 400232, 424736, 464555, 500290, 530920, 571760, 650377, 700406, 713440, 743288, 800464, 929110, 1000580, 1061840, 1143520, 1300754, 1400812, 1486576, 1600928, 1751015, 1858220, 2001160, 2123680, 2601508, 2801624, 2973152, 3251885, 3502030, 3716440, 4002320, 4552639, 5203016, 5603248, 6503770, 7004060, 7432880, 8004640, 9105278, 10406032, 11206496, 13007540, 14008120, 14865760, 18210556, 20812064, 22763195, 26015080, 28016240, 36421112, 45526390, 52030160, 56032480, 72842224, 91052780, 104060320, 145684448, 182105560, 364211120, 728422240]

約数ペア:

[(1, 728422240), (2, 364211120), (4, 182105560), (5, 145684448), (7, 104060320), (8, 91052780), (10, 72842224), (13, 56032480), (14, 52030160), (16, 45526390), (20, 36421112), (26, 28016240), (28, 26015080), (32, 22763195), (35, 20812064), (40, 18210556), (49, 14865760), (52, 14008120), (56, 13007540), (65, 11206496), (70, 10406032), (80, 9105278), (91, 8004640), (98, 7432880), (104, 7004060), (112, 6503770), (130, 5603248), (140, 5203016), (160, 4552639), (182, 4002320), (196, 3716440), (208, 3502030), (224, 3251885), (245, 2973152), (260, 2801624), (280, 2601508), (343, 2123680), (364, 2001160), (392, 1858220), (416, 1751015), (455, 1600928), (490, 1486576), (520, 1400812), (560, 1300754), (637, 1143520), (686, 1061840), (728, 1000580), (784, 929110), (910, 800464), (980, 743288), (1021, 713440), (1040, 700406), (1120, 650377), (1274, 571760), (1372, 530920), (1456, 500290), (1568, 464555), (1715, 424736), (1820, 400232), (1960, 371644), (2042, 356720), (2080, 350203), (2548, 285880), (2744, 265460), (2912, 250145), (3185, 228704), (3430, 212368), (3640, 200116), (3920, 185822), (4084, 178360), (4459, 163360), (5096, 142940), (5105, 142688), (5488, 132730), (6370, 114352), (6860, 106184), (7147, 101920), (7280, 100058), (7840, 92911), (8168, 89180), (8918, 81680), (10192, 71470), (10210, 71344), (10976, 66365), (12740, 57176), (13273, 54880), (13720, 53092), (14294, 50960), (14560, 50029), (16336, 44590), (17836, 40840), (20384, 35735), (20420, 35672), (22295, 32672), (25480, 28588), (26546, 27440)]