279633420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 216

約数和(自身を含む): 960300432

約数和(自身を除く): 680667012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 121, 132, 148, 165, 180, 185, 198, 220, 222, 242, 330, 333, 347, 363, 370, 396, 407, 444, 484, 495, 555, 605, 660, 666, 694, 726, 740, 814, 990, 1041, 1089, 1110, 1210, 1221, 1332, 1388, 1452, 1628, 1665, 1735, 1815, 1980, 2035, 2082, 2178, 2220, 2420, 2442, 3123, 3330, 3470, 3630, 3663, 3817, 4070, 4164, 4356, 4477, 4884, 5205, 5445, 6105, 6246, 6660, 6940, 7260, 7326, 7634, 8140, 8954, 10410, 10890, 11451, 12210, 12492, 12839, 13431, 14652, 15268, 15615, 17908, 18315, 19085, 20820, 21780, 22385, 22902, 24420, 25678, 26862, 31230, 34353, 36630, 38170, 38517, 40293, 41987, 44770, 45804, 51356, 53724, 57255, 62460, 64195, 67155, 68706, 73260, 76340, 77034, 80586, 83974, 89540, 114510, 115551, 125961, 128390, 134310, 137412, 141229, 154068, 161172, 167948, 171765, 192585, 201465, 209935, 229020, 231102, 251922, 256780, 268620, 282458, 343530, 377883, 385170, 402930, 419870, 423687, 462204, 503844, 564916, 577755, 629805, 687060, 706145, 755766, 770340, 805860, 839740, 847374, 1155510, 1259610, 1271061, 1412290, 1511532, 1553519, 1694748, 1889415, 2118435, 2311020, 2519220, 2542122, 2824580, 3107038, 3778830, 4236870, 4660557, 5084244, 6214076, 6355305, 7557660, 7767595, 8473740, 9321114, 12710610, 13981671, 15535190, 18642228, 23302785, 25421220, 27963342, 31070380, 46605570, 55926684, 69908355, 93211140, 139816710, 279633420]

約数ペア:

[(1, 279633420), (2, 139816710), (3, 93211140), (4, 69908355), (5, 55926684), (6, 46605570), (9, 31070380), (10, 27963342), (11, 25421220), (12, 23302785), (15, 18642228), (18, 15535190), (20, 13981671), (22, 12710610), (30, 9321114), (33, 8473740), (36, 7767595), (37, 7557660), (44, 6355305), (45, 6214076), (55, 5084244), (60, 4660557), (66, 4236870), (74, 3778830), (90, 3107038), (99, 2824580), (110, 2542122), (111, 2519220), (121, 2311020), (132, 2118435), (148, 1889415), (165, 1694748), (180, 1553519), (185, 1511532), (198, 1412290), (220, 1271061), (222, 1259610), (242, 1155510), (330, 847374), (333, 839740), (347, 805860), (363, 770340), (370, 755766), (396, 706145), (407, 687060), (444, 629805), (484, 577755), (495, 564916), (555, 503844), (605, 462204), (660, 423687), (666, 419870), (694, 402930), (726, 385170), (740, 377883), (814, 343530), (990, 282458), (1041, 268620), (1089, 256780), (1110, 251922), (1210, 231102), (1221, 229020), (1332, 209935), (1388, 201465), (1452, 192585), (1628, 171765), (1665, 167948), (1735, 161172), (1815, 154068), (1980, 141229), (2035, 137412), (2082, 134310), (2178, 128390), (2220, 125961), (2420, 115551), (2442, 114510), (3123, 89540), (3330, 83974), (3470, 80586), (3630, 77034), (3663, 76340), (3817, 73260), (4070, 68706), (4164, 67155), (4356, 64195), (4477, 62460), (4884, 57255), (5205, 53724), (5445, 51356), (6105, 45804), (6246, 44770), (6660, 41987), (6940, 40293), (7260, 38517), (7326, 38170), (7634, 36630), (8140, 34353), (8954, 31230), (10410, 26862), (10890, 25678), (11451, 24420), (12210, 22902), (12492, 22385), (12839, 21780), (13431, 20820), (14652, 19085), (15268, 18315), (15615, 17908)]