138400740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1522

約数の個数: 144

約数和(自身を含む): 459164160

約数和(自身を除く): 320763420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1459, 1530, 1581, 1860, 2108, 2635, 2790, 2918, 3060, 3162, 4377, 4743, 5270, 5580, 5836, 6324, 7295, 7905, 8754, 9486, 10540, 13131, 14590, 15810, 17508, 18972, 21885, 23715, 24803, 26262, 29180, 31620, 43770, 45229, 47430, 49606, 52524, 65655, 74409, 87540, 90458, 94860, 99212, 124015, 131310, 135687, 148818, 180916, 223227, 226145, 248030, 262620, 271374, 297636, 372045, 407061, 446454, 452290, 496060, 542748, 678435, 744090, 768893, 814122, 892908, 904580, 1116135, 1356870, 1488180, 1537786, 1628244, 2035305, 2232270, 2306679, 2713740, 3075572, 3844465, 4070610, 4464540, 4613358, 6920037, 7688930, 8141220, 9226716, 11533395, 13840074, 15377860, 23066790, 27680148, 34600185, 46133580, 69200370, 138400740]

約数ペア:

[(1, 138400740), (2, 69200370), (3, 46133580), (4, 34600185), (5, 27680148), (6, 23066790), (9, 15377860), (10, 13840074), (12, 11533395), (15, 9226716), (17, 8141220), (18, 7688930), (20, 6920037), (30, 4613358), (31, 4464540), (34, 4070610), (36, 3844465), (45, 3075572), (51, 2713740), (60, 2306679), (62, 2232270), (68, 2035305), (85, 1628244), (90, 1537786), (93, 1488180), (102, 1356870), (124, 1116135), (153, 904580), (155, 892908), (170, 814122), (180, 768893), (186, 744090), (204, 678435), (255, 542748), (279, 496060), (306, 452290), (310, 446454), (340, 407061), (372, 372045), (465, 297636), (510, 271374), (527, 262620), (558, 248030), (612, 226145), (620, 223227), (765, 180916), (930, 148818), (1020, 135687), (1054, 131310), (1116, 124015), (1395, 99212), (1459, 94860), (1530, 90458), (1581, 87540), (1860, 74409), (2108, 65655), (2635, 52524), (2790, 49606), (2918, 47430), (3060, 45229), (3162, 43770), (4377, 31620), (4743, 29180), (5270, 26262), (5580, 24803), (5836, 23715), (6324, 21885), (7295, 18972), (7905, 17508), (8754, 15810), (9486, 14590), (10540, 13131)]