25189380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 81454464

約数和(自身を除く): 56265084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 73, 81, 90, 108, 135, 142, 146, 162, 180, 213, 219, 243, 270, 284, 292, 324, 355, 365, 405, 426, 438, 486, 540, 639, 657, 710, 730, 810, 852, 876, 972, 1065, 1095, 1215, 1278, 1314, 1420, 1460, 1620, 1917, 1971, 2130, 2190, 2430, 2556, 2628, 3195, 3285, 3834, 3942, 4260, 4380, 4860, 5183, 5751, 5913, 6390, 6570, 7668, 7884, 9585, 9855, 10366, 11502, 11826, 12780, 13140, 15549, 17253, 17739, 19170, 19710, 20732, 23004, 23652, 25915, 28755, 29565, 31098, 34506, 35478, 38340, 39420, 46647, 51830, 57510, 59130, 62196, 69012, 70956, 77745, 86265, 88695, 93294, 103660, 115020, 118260, 139941, 155490, 172530, 177390, 186588, 233235, 279882, 310980, 345060, 354780, 419823, 466470, 559764, 699705, 839646, 932940, 1259469, 1399410, 1679292, 2099115, 2518938, 2798820, 4198230, 5037876, 6297345, 8396460, 12594690, 25189380]

約数ペア:

[(1, 25189380), (2, 12594690), (3, 8396460), (4, 6297345), (5, 5037876), (6, 4198230), (9, 2798820), (10, 2518938), (12, 2099115), (15, 1679292), (18, 1399410), (20, 1259469), (27, 932940), (30, 839646), (36, 699705), (45, 559764), (54, 466470), (60, 419823), (71, 354780), (73, 345060), (81, 310980), (90, 279882), (108, 233235), (135, 186588), (142, 177390), (146, 172530), (162, 155490), (180, 139941), (213, 118260), (219, 115020), (243, 103660), (270, 93294), (284, 88695), (292, 86265), (324, 77745), (355, 70956), (365, 69012), (405, 62196), (426, 59130), (438, 57510), (486, 51830), (540, 46647), (639, 39420), (657, 38340), (710, 35478), (730, 34506), (810, 31098), (852, 29565), (876, 28755), (972, 25915), (1065, 23652), (1095, 23004), (1215, 20732), (1278, 19710), (1314, 19170), (1420, 17739), (1460, 17253), (1620, 15549), (1917, 13140), (1971, 12780), (2130, 11826), (2190, 11502), (2430, 10366), (2556, 9855), (2628, 9585), (3195, 7884), (3285, 7668), (3834, 6570), (3942, 6390), (4260, 5913), (4380, 5751), (4860, 5183)]