261792180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6581}}^1$

素因数の和:6626

約数の個数: 144

約数和(自身を含む): 905630544

約数和(自身を除く): 643838364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6581, 6630, 7956, 9945, 13162, 13260, 19743, 19890, 26324, 32905, 39486, 39780, 59229, 65810, 78972, 85553, 98715, 111877, 118458, 131620, 171106, 197430, 223754, 236916, 256659, 296145, 335631, 342212, 394860, 427765, 447508, 513318, 559385, 592290, 671262, 769977, 855530, 1006893, 1026636, 1118770, 1184580, 1283295, 1342524, 1454401, 1539954, 1678155, 1711060, 2013786, 2237540, 2566590, 2908802, 3079908, 3356310, 3849885, 4027572, 4363203, 5034465, 5133180, 5817604, 6712620, 7272005, 7699770, 8726406, 10068930, 13089609, 14544010, 15399540, 17452812, 20137860, 21816015, 26179218, 29088020, 43632030, 52358436, 65448045, 87264060, 130896090, 261792180]

約数ペア:

[(1, 261792180), (2, 130896090), (3, 87264060), (4, 65448045), (5, 52358436), (6, 43632030), (9, 29088020), (10, 26179218), (12, 21816015), (13, 20137860), (15, 17452812), (17, 15399540), (18, 14544010), (20, 13089609), (26, 10068930), (30, 8726406), (34, 7699770), (36, 7272005), (39, 6712620), (45, 5817604), (51, 5133180), (52, 5034465), (60, 4363203), (65, 4027572), (68, 3849885), (78, 3356310), (85, 3079908), (90, 2908802), (102, 2566590), (117, 2237540), (130, 2013786), (153, 1711060), (156, 1678155), (170, 1539954), (180, 1454401), (195, 1342524), (204, 1283295), (221, 1184580), (234, 1118770), (255, 1026636), (260, 1006893), (306, 855530), (340, 769977), (390, 671262), (442, 592290), (468, 559385), (510, 513318), (585, 447508), (612, 427765), (663, 394860), (765, 342212), (780, 335631), (884, 296145), (1020, 256659), (1105, 236916), (1170, 223754), (1326, 197430), (1530, 171106), (1989, 131620), (2210, 118458), (2340, 111877), (2652, 98715), (3060, 85553), (3315, 78972), (3978, 65810), (4420, 59229), (6581, 39780), (6630, 39486), (7956, 32905), (9945, 26324), (13162, 19890), (13260, 19743)]