261412740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85429}}^1$

素因数の和:85461

約数の個数: 72

約数和(自身を含む): 839606040

約数和(自身を除く): 578193300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 85429, 170858, 256287, 341716, 427145, 512574, 768861, 854290, 1025148, 1281435, 1452293, 1537722, 1708580, 2562870, 2904586, 3075444, 3844305, 4356879, 5125740, 5809172, 7261465, 7688610, 8713758, 13070637, 14522930, 15377220, 17427516, 21784395, 26141274, 29045860, 43568790, 52282548, 65353185, 87137580, 130706370, 261412740]

約数ペア:

[(1, 261412740), (2, 130706370), (3, 87137580), (4, 65353185), (5, 52282548), (6, 43568790), (9, 29045860), (10, 26141274), (12, 21784395), (15, 17427516), (17, 15377220), (18, 14522930), (20, 13070637), (30, 8713758), (34, 7688610), (36, 7261465), (45, 5809172), (51, 5125740), (60, 4356879), (68, 3844305), (85, 3075444), (90, 2904586), (102, 2562870), (153, 1708580), (170, 1537722), (180, 1452293), (204, 1281435), (255, 1025148), (306, 854290), (340, 768861), (510, 512574), (612, 427145), (765, 341716), (1020, 256287), (1530, 170858), (3060, 85429)]