15156979880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:800

約数の個数: 192

約数和(自身を含む): 40548833280

約数和(自身を除く): 25391853400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 331, 383, 392, 427, 488, 490, 610, 662, 766, 854, 980, 1220, 1324, 1532, 1655, 1708, 1915, 1960, 2135, 2317, 2440, 2648, 2681, 2989, 3064, 3310, 3416, 3830, 4270, 4634, 5362, 5978, 6620, 7660, 8540, 9268, 10724, 11585, 11956, 13240, 13405, 14945, 15320, 16219, 17080, 18536, 18767, 20191, 21448, 23170, 23363, 23912, 26810, 29890, 32438, 37534, 40382, 46340, 46726, 53620, 59780, 64876, 75068, 80764, 81095, 92680, 93452, 93835, 100955, 107240, 116815, 119560, 126773, 129752, 141337, 150136, 161528, 162190, 163541, 186904, 187670, 201910, 233630, 253546, 282674, 324380, 327082, 375340, 403820, 467260, 507092, 565348, 633865, 648760, 654164, 706685, 750680, 807640, 817705, 887411, 934520, 989359, 1014184, 1130696, 1144787, 1267730, 1308328, 1413370, 1635410, 1774822, 1978718, 2289574, 2535460, 2826740, 3270820, 3549644, 3957436, 4437055, 4579148, 4946795, 5070920, 5653480, 5723935, 6211877, 6541640, 7099288, 7733153, 7914872, 8874110, 9158296, 9893590, 11447870, 12423754, 15466306, 17748220, 19787180, 22895740, 24847508, 30932612, 31059385, 35496440, 38665765, 39574360, 45791480, 49695016, 54132071, 61865224, 62118770, 77331530, 108264142, 124237540, 154663060, 216528284, 248475080, 270660355, 309326120, 378924497, 433056568, 541320710, 757848994, 1082641420, 1515697988, 1894622485, 2165282840, 3031395976, 3789244970, 7578489940, 15156979880]

約数ペア:

[(1, 15156979880), (2, 7578489940), (4, 3789244970), (5, 3031395976), (7, 2165282840), (8, 1894622485), (10, 1515697988), (14, 1082641420), (20, 757848994), (28, 541320710), (35, 433056568), (40, 378924497), (49, 309326120), (56, 270660355), (61, 248475080), (70, 216528284), (98, 154663060), (122, 124237540), (140, 108264142), (196, 77331530), (244, 62118770), (245, 61865224), (280, 54132071), (305, 49695016), (331, 45791480), (383, 39574360), (392, 38665765), (427, 35496440), (488, 31059385), (490, 30932612), (610, 24847508), (662, 22895740), (766, 19787180), (854, 17748220), (980, 15466306), (1220, 12423754), (1324, 11447870), (1532, 9893590), (1655, 9158296), (1708, 8874110), (1915, 7914872), (1960, 7733153), (2135, 7099288), (2317, 6541640), (2440, 6211877), (2648, 5723935), (2681, 5653480), (2989, 5070920), (3064, 4946795), (3310, 4579148), (3416, 4437055), (3830, 3957436), (4270, 3549644), (4634, 3270820), (5362, 2826740), (5978, 2535460), (6620, 2289574), (7660, 1978718), (8540, 1774822), (9268, 1635410), (10724, 1413370), (11585, 1308328), (11956, 1267730), (13240, 1144787), (13405, 1130696), (14945, 1014184), (15320, 989359), (16219, 934520), (17080, 887411), (18536, 817705), (18767, 807640), (20191, 750680), (21448, 706685), (23170, 654164), (23363, 648760), (23912, 633865), (26810, 565348), (29890, 507092), (32438, 467260), (37534, 403820), (40382, 375340), (46340, 327082), (46726, 324380), (53620, 282674), (59780, 253546), (64876, 233630), (75068, 201910), (80764, 187670), (81095, 186904), (92680, 163541), (93452, 162190), (93835, 161528), (100955, 150136), (107240, 141337), (116815, 129752), (119560, 126773)]