220833270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{353}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 676961280

約数和(自身を除く): 456128010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 331, 353, 378, 630, 662, 706, 945, 993, 1059, 1655, 1765, 1890, 1986, 2118, 2317, 2471, 2979, 3177, 3310, 3530, 4634, 4942, 4965, 5295, 5958, 6354, 6951, 7413, 8937, 9531, 9930, 10590, 11585, 12355, 13902, 14826, 14895, 15885, 17874, 19062, 20853, 22239, 23170, 24710, 29790, 31770, 34755, 37065, 41706, 44478, 44685, 47655, 62559, 66717, 69510, 74130, 89370, 95310, 104265, 111195, 116843, 125118, 133434, 208530, 222390, 233686, 312795, 333585, 350529, 584215, 625590, 667170, 701058, 817901, 1051587, 1168430, 1635802, 1752645, 2103174, 2453703, 3154761, 3505290, 4089505, 4907406, 5257935, 6309522, 7361109, 8179010, 10515870, 12268515, 14722218, 15773805, 22083327, 24537030, 31547610, 36805545, 44166654, 73611090, 110416635, 220833270]

約数ペア:

[(1, 220833270), (2, 110416635), (3, 73611090), (5, 44166654), (6, 36805545), (7, 31547610), (9, 24537030), (10, 22083327), (14, 15773805), (15, 14722218), (18, 12268515), (21, 10515870), (27, 8179010), (30, 7361109), (35, 6309522), (42, 5257935), (45, 4907406), (54, 4089505), (63, 3505290), (70, 3154761), (90, 2453703), (105, 2103174), (126, 1752645), (135, 1635802), (189, 1168430), (210, 1051587), (270, 817901), (315, 701058), (331, 667170), (353, 625590), (378, 584215), (630, 350529), (662, 333585), (706, 312795), (945, 233686), (993, 222390), (1059, 208530), (1655, 133434), (1765, 125118), (1890, 116843), (1986, 111195), (2118, 104265), (2317, 95310), (2471, 89370), (2979, 74130), (3177, 69510), (3310, 66717), (3530, 62559), (4634, 47655), (4942, 44685), (4965, 44478), (5295, 41706), (5958, 37065), (6354, 34755), (6951, 31770), (7413, 29790), (8937, 24710), (9531, 23170), (9930, 22239), (10590, 20853), (11585, 19062), (12355, 17874), (13902, 15885), (14826, 14895)]