491661720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11287}}^1$

素因数の和:11326

約数の個数: 144

約数和(自身を含む): 1756525680

約数和(自身を除く): 1264863960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1980, 2178, 2420, 2904, 3630, 3960, 4356, 4840, 5445, 7260, 8712, 10890, 11287, 14520, 21780, 22574, 33861, 43560, 45148, 56435, 67722, 90296, 101583, 112870, 124157, 135444, 169305, 203166, 225740, 248314, 270888, 338610, 372471, 406332, 451480, 496628, 507915, 620785, 677220, 744942, 812664, 993256, 1015830, 1117413, 1241570, 1354440, 1365727, 1489884, 1862355, 2031660, 2234826, 2483140, 2731454, 2979768, 3724710, 4063320, 4097181, 4469652, 4966280, 5462908, 5587065, 6828635, 7449420, 8194362, 8939304, 10925816, 11174130, 12291543, 13657270, 14898840, 16388724, 20485905, 22348260, 24583086, 27314540, 32777448, 40971810, 44696520, 49166172, 54629080, 61457715, 81943620, 98332344, 122915430, 163887240, 245830860, 491661720]

約数ペア:

[(1, 491661720), (2, 245830860), (3, 163887240), (4, 122915430), (5, 98332344), (6, 81943620), (8, 61457715), (9, 54629080), (10, 49166172), (11, 44696520), (12, 40971810), (15, 32777448), (18, 27314540), (20, 24583086), (22, 22348260), (24, 20485905), (30, 16388724), (33, 14898840), (36, 13657270), (40, 12291543), (44, 11174130), (45, 10925816), (55, 8939304), (60, 8194362), (66, 7449420), (72, 6828635), (88, 5587065), (90, 5462908), (99, 4966280), (110, 4469652), (120, 4097181), (121, 4063320), (132, 3724710), (165, 2979768), (180, 2731454), (198, 2483140), (220, 2234826), (242, 2031660), (264, 1862355), (330, 1489884), (360, 1365727), (363, 1354440), (396, 1241570), (440, 1117413), (484, 1015830), (495, 993256), (605, 812664), (660, 744942), (726, 677220), (792, 620785), (968, 507915), (990, 496628), (1089, 451480), (1210, 406332), (1320, 372471), (1452, 338610), (1815, 270888), (1980, 248314), (2178, 225740), (2420, 203166), (2904, 169305), (3630, 135444), (3960, 124157), (4356, 112870), (4840, 101583), (5445, 90296), (7260, 67722), (8712, 56435), (10890, 45148), (11287, 43560), (14520, 33861), (21780, 22574)]