28742580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 98703360

約数和(自身を除く): 69960780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 101, 102, 108, 124, 135, 153, 155, 170, 180, 186, 202, 204, 255, 270, 279, 303, 306, 310, 340, 372, 404, 459, 465, 505, 510, 527, 540, 558, 606, 612, 620, 765, 837, 909, 918, 930, 1010, 1020, 1054, 1116, 1212, 1395, 1515, 1530, 1581, 1674, 1717, 1818, 1836, 1860, 2020, 2108, 2295, 2635, 2727, 2790, 3030, 3060, 3131, 3162, 3348, 3434, 3636, 4185, 4545, 4590, 4743, 5151, 5270, 5454, 5580, 6060, 6262, 6324, 6868, 7905, 8370, 8585, 9090, 9180, 9393, 9486, 10302, 10540, 10908, 12524, 13635, 14229, 15453, 15655, 15810, 16740, 17170, 18180, 18786, 18972, 20604, 23715, 25755, 27270, 28179, 28458, 30906, 31310, 31620, 34340, 37572, 46359, 46965, 47430, 51510, 53227, 54540, 56358, 56916, 61812, 62620, 71145, 77265, 84537, 92718, 93930, 94860, 103020, 106454, 112716, 140895, 142290, 154530, 159681, 169074, 185436, 187860, 212908, 231795, 266135, 281790, 284580, 309060, 319362, 338148, 422685, 463590, 479043, 532270, 563580, 638724, 798405, 845370, 927180, 958086, 1064540, 1437129, 1596810, 1690740, 1916172, 2395215, 2874258, 3193620, 4790430, 5748516, 7185645, 9580860, 14371290, 28742580]

約数ペア:

[(1, 28742580), (2, 14371290), (3, 9580860), (4, 7185645), (5, 5748516), (6, 4790430), (9, 3193620), (10, 2874258), (12, 2395215), (15, 1916172), (17, 1690740), (18, 1596810), (20, 1437129), (27, 1064540), (30, 958086), (31, 927180), (34, 845370), (36, 798405), (45, 638724), (51, 563580), (54, 532270), (60, 479043), (62, 463590), (68, 422685), (85, 338148), (90, 319362), (93, 309060), (101, 284580), (102, 281790), (108, 266135), (124, 231795), (135, 212908), (153, 187860), (155, 185436), (170, 169074), (180, 159681), (186, 154530), (202, 142290), (204, 140895), (255, 112716), (270, 106454), (279, 103020), (303, 94860), (306, 93930), (310, 92718), (340, 84537), (372, 77265), (404, 71145), (459, 62620), (465, 61812), (505, 56916), (510, 56358), (527, 54540), (540, 53227), (558, 51510), (606, 47430), (612, 46965), (620, 46359), (765, 37572), (837, 34340), (909, 31620), (918, 31310), (930, 30906), (1010, 28458), (1020, 28179), (1054, 27270), (1116, 25755), (1212, 23715), (1395, 20604), (1515, 18972), (1530, 18786), (1581, 18180), (1674, 17170), (1717, 16740), (1818, 15810), (1836, 15655), (1860, 15453), (2020, 14229), (2108, 13635), (2295, 12524), (2635, 10908), (2727, 10540), (2790, 10302), (3030, 9486), (3060, 9393), (3131, 9180), (3162, 9090), (3348, 8585), (3434, 8370), (3636, 7905), (4185, 6868), (4545, 6324), (4590, 6262), (4743, 6060), (5151, 5580), (5270, 5454)]