72494240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 212502528

約数和(自身を除く): 140008288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 383, 416, 455, 520, 560, 676, 728, 766, 845, 910, 1040, 1120, 1183, 1352, 1456, 1532, 1690, 1820, 1915, 2080, 2366, 2681, 2704, 2912, 3064, 3380, 3640, 3830, 4732, 4979, 5362, 5408, 5915, 6128, 6760, 7280, 7660, 9464, 9958, 10724, 11830, 12256, 13405, 13520, 14560, 15320, 18928, 19916, 21448, 23660, 24895, 26810, 27040, 30640, 34853, 37856, 39832, 42896, 47320, 49790, 53620, 61280, 64727, 69706, 79664, 85792, 94640, 99580, 107240, 129454, 139412, 159328, 174265, 189280, 199160, 214480, 258908, 278824, 323635, 348530, 398320, 428960, 453089, 517816, 557648, 647270, 697060, 796640, 906178, 1035632, 1115296, 1294540, 1394120, 1812356, 2071264, 2265445, 2589080, 2788240, 3624712, 4530890, 5178160, 5576480, 7249424, 9061780, 10356320, 14498848, 18123560, 36247120, 72494240]

約数ペア:

[(1, 72494240), (2, 36247120), (4, 18123560), (5, 14498848), (7, 10356320), (8, 9061780), (10, 7249424), (13, 5576480), (14, 5178160), (16, 4530890), (20, 3624712), (26, 2788240), (28, 2589080), (32, 2265445), (35, 2071264), (40, 1812356), (52, 1394120), (56, 1294540), (65, 1115296), (70, 1035632), (80, 906178), (91, 796640), (104, 697060), (112, 647270), (130, 557648), (140, 517816), (160, 453089), (169, 428960), (182, 398320), (208, 348530), (224, 323635), (260, 278824), (280, 258908), (338, 214480), (364, 199160), (383, 189280), (416, 174265), (455, 159328), (520, 139412), (560, 129454), (676, 107240), (728, 99580), (766, 94640), (845, 85792), (910, 79664), (1040, 69706), (1120, 64727), (1183, 61280), (1352, 53620), (1456, 49790), (1532, 47320), (1690, 42896), (1820, 39832), (1915, 37856), (2080, 34853), (2366, 30640), (2681, 27040), (2704, 26810), (2912, 24895), (3064, 23660), (3380, 21448), (3640, 19916), (3830, 18928), (4732, 15320), (4979, 14560), (5362, 13520), (5408, 13405), (5915, 12256), (6128, 11830), (6760, 10724), (7280, 9958), (7660, 9464)]