261103320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 192

約数和(自身を含む): 909792000

約数和(自身を除く): 648688680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 59, 60, 72, 76, 90, 95, 114, 118, 120, 152, 171, 177, 180, 190, 228, 236, 285, 295, 342, 354, 360, 380, 456, 472, 531, 570, 590, 647, 684, 708, 760, 855, 885, 1062, 1121, 1140, 1180, 1294, 1368, 1416, 1710, 1770, 1941, 2124, 2242, 2280, 2360, 2588, 2655, 3235, 3363, 3420, 3540, 3882, 4248, 4484, 5176, 5310, 5605, 5823, 6470, 6726, 6840, 7080, 7764, 8968, 9705, 10089, 10620, 11210, 11646, 12293, 12940, 13452, 15528, 16815, 19410, 20178, 21240, 22420, 23292, 24586, 25880, 26904, 29115, 33630, 36879, 38173, 38820, 40356, 44840, 46584, 49172, 50445, 58230, 61465, 67260, 73758, 76346, 77640, 80712, 98344, 100890, 110637, 114519, 116460, 122930, 134520, 147516, 152692, 184395, 190865, 201780, 221274, 229038, 232920, 245860, 295032, 305384, 343557, 368790, 381730, 403560, 442548, 458076, 491720, 553185, 572595, 687114, 725287, 737580, 763460, 885096, 916152, 1106370, 1145190, 1374228, 1450574, 1475160, 1526920, 1717785, 2175861, 2212740, 2290380, 2748456, 2901148, 3435570, 3626435, 4351722, 4425480, 4580760, 5802296, 6527583, 6871140, 7252870, 8703444, 10879305, 13055166, 13742280, 14505740, 17406888, 21758610, 26110332, 29011480, 32637915, 43517220, 52220664, 65275830, 87034440, 130551660, 261103320]

約数ペア:

[(1, 261103320), (2, 130551660), (3, 87034440), (4, 65275830), (5, 52220664), (6, 43517220), (8, 32637915), (9, 29011480), (10, 26110332), (12, 21758610), (15, 17406888), (18, 14505740), (19, 13742280), (20, 13055166), (24, 10879305), (30, 8703444), (36, 7252870), (38, 6871140), (40, 6527583), (45, 5802296), (57, 4580760), (59, 4425480), (60, 4351722), (72, 3626435), (76, 3435570), (90, 2901148), (95, 2748456), (114, 2290380), (118, 2212740), (120, 2175861), (152, 1717785), (171, 1526920), (177, 1475160), (180, 1450574), (190, 1374228), (228, 1145190), (236, 1106370), (285, 916152), (295, 885096), (342, 763460), (354, 737580), (360, 725287), (380, 687114), (456, 572595), (472, 553185), (531, 491720), (570, 458076), (590, 442548), (647, 403560), (684, 381730), (708, 368790), (760, 343557), (855, 305384), (885, 295032), (1062, 245860), (1121, 232920), (1140, 229038), (1180, 221274), (1294, 201780), (1368, 190865), (1416, 184395), (1710, 152692), (1770, 147516), (1941, 134520), (2124, 122930), (2242, 116460), (2280, 114519), (2360, 110637), (2588, 100890), (2655, 98344), (3235, 80712), (3363, 77640), (3420, 76346), (3540, 73758), (3882, 67260), (4248, 61465), (4484, 58230), (5176, 50445), (5310, 49172), (5605, 46584), (5823, 44840), (6470, 40356), (6726, 38820), (6840, 38173), (7080, 36879), (7764, 33630), (8968, 29115), (9705, 26904), (10089, 25880), (10620, 24586), (11210, 23292), (11646, 22420), (12293, 21240), (12940, 20178), (13452, 19410), (15528, 16815)]