25281720

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{17}}^2$

素因数の和:66

約数の個数: 192

約数和(自身を含む): 90626400

約数和(自身を除く): 65344680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 243, 255, 270, 289, 306, 324, 340, 360, 405, 408, 459, 486, 510, 540, 578, 612, 648, 680, 729, 765, 810, 867, 918, 972, 1020, 1080, 1156, 1215, 1224, 1377, 1445, 1458, 1530, 1620, 1734, 1836, 1944, 2040, 2187, 2295, 2312, 2430, 2601, 2754, 2890, 2916, 3060, 3240, 3468, 3645, 3672, 4131, 4335, 4374, 4590, 4860, 5202, 5508, 5780, 5832, 6120, 6885, 6936, 7290, 7803, 8262, 8670, 8748, 9180, 9720, 10404, 10935, 11016, 11560, 12393, 13005, 13770, 14580, 15606, 16524, 17340, 17496, 18360, 20655, 20808, 21870, 23409, 24786, 26010, 27540, 29160, 31212, 33048, 34680, 37179, 39015, 41310, 43740, 46818, 49572, 52020, 55080, 61965, 62424, 70227, 74358, 78030, 82620, 87480, 93636, 99144, 104040, 117045, 123930, 140454, 148716, 156060, 165240, 185895, 187272, 210681, 234090, 247860, 280908, 297432, 312120, 351135, 371790, 421362, 468180, 495720, 561816, 632043, 702270, 743580, 842724, 936360, 1053405, 1264086, 1404540, 1487160, 1685448, 2106810, 2528172, 2809080, 3160215, 4213620, 5056344, 6320430, 8427240, 12640860, 25281720]

約数ペア:

[(1, 25281720), (2, 12640860), (3, 8427240), (4, 6320430), (5, 5056344), (6, 4213620), (8, 3160215), (9, 2809080), (10, 2528172), (12, 2106810), (15, 1685448), (17, 1487160), (18, 1404540), (20, 1264086), (24, 1053405), (27, 936360), (30, 842724), (34, 743580), (36, 702270), (40, 632043), (45, 561816), (51, 495720), (54, 468180), (60, 421362), (68, 371790), (72, 351135), (81, 312120), (85, 297432), (90, 280908), (102, 247860), (108, 234090), (120, 210681), (135, 187272), (136, 185895), (153, 165240), (162, 156060), (170, 148716), (180, 140454), (204, 123930), (216, 117045), (243, 104040), (255, 99144), (270, 93636), (289, 87480), (306, 82620), (324, 78030), (340, 74358), (360, 70227), (405, 62424), (408, 61965), (459, 55080), (486, 52020), (510, 49572), (540, 46818), (578, 43740), (612, 41310), (648, 39015), (680, 37179), (729, 34680), (765, 33048), (810, 31212), (867, 29160), (918, 27540), (972, 26010), (1020, 24786), (1080, 23409), (1156, 21870), (1215, 20808), (1224, 20655), (1377, 18360), (1445, 17496), (1458, 17340), (1530, 16524), (1620, 15606), (1734, 14580), (1836, 13770), (1944, 13005), (2040, 12393), (2187, 11560), (2295, 11016), (2312, 10935), (2430, 10404), (2601, 9720), (2754, 9180), (2890, 8748), (2916, 8670), (3060, 8262), (3240, 7803), (3468, 7290), (3645, 6936), (3672, 6885), (4131, 6120), (4335, 5832), (4374, 5780), (4590, 5508), (4860, 5202)]