81439050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 144

約数和(自身を含む): 254108736

約数和(自身を除く): 172669686

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 75, 77, 105, 110, 121, 150, 154, 165, 175, 210, 231, 242, 275, 330, 350, 363, 385, 462, 525, 550, 605, 641, 726, 770, 825, 847, 1050, 1155, 1210, 1282, 1650, 1694, 1815, 1923, 1925, 2310, 2541, 3025, 3205, 3630, 3846, 3850, 4235, 4487, 5082, 5775, 6050, 6410, 7051, 8470, 8974, 9075, 9615, 11550, 12705, 13461, 14102, 16025, 18150, 19230, 21153, 21175, 22435, 25410, 26922, 32050, 35255, 42306, 42350, 44870, 48075, 49357, 63525, 67305, 70510, 77561, 96150, 98714, 105765, 112175, 127050, 134610, 148071, 155122, 176275, 211530, 224350, 232683, 246785, 296142, 336525, 352550, 387805, 465366, 493570, 528825, 542927, 673050, 740355, 775610, 1057650, 1085854, 1163415, 1233925, 1480710, 1628781, 1939025, 2326830, 2467850, 2714635, 3257562, 3701775, 3878050, 5429270, 5817075, 7403550, 8143905, 11634150, 13573175, 16287810, 27146350, 40719525, 81439050]

約数ペア:

[(1, 81439050), (2, 40719525), (3, 27146350), (5, 16287810), (6, 13573175), (7, 11634150), (10, 8143905), (11, 7403550), (14, 5817075), (15, 5429270), (21, 3878050), (22, 3701775), (25, 3257562), (30, 2714635), (33, 2467850), (35, 2326830), (42, 1939025), (50, 1628781), (55, 1480710), (66, 1233925), (70, 1163415), (75, 1085854), (77, 1057650), (105, 775610), (110, 740355), (121, 673050), (150, 542927), (154, 528825), (165, 493570), (175, 465366), (210, 387805), (231, 352550), (242, 336525), (275, 296142), (330, 246785), (350, 232683), (363, 224350), (385, 211530), (462, 176275), (525, 155122), (550, 148071), (605, 134610), (641, 127050), (726, 112175), (770, 105765), (825, 98714), (847, 96150), (1050, 77561), (1155, 70510), (1210, 67305), (1282, 63525), (1650, 49357), (1694, 48075), (1815, 44870), (1923, 42350), (1925, 42306), (2310, 35255), (2541, 32050), (3025, 26922), (3205, 25410), (3630, 22435), (3846, 21175), (3850, 21153), (4235, 19230), (4487, 18150), (5082, 16025), (5775, 14102), (6050, 13461), (6410, 12705), (7051, 11550), (8470, 9615), (8974, 9075)]