831123540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1229}}^1$

素因数の和:1291

約数の個数: 216

約数和(自身を含む): 2886450840

約数和(自身を除く): 2055327300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 289, 306, 340, 390, 442, 468, 510, 578, 585, 612, 663, 765, 780, 867, 884, 1020, 1105, 1156, 1170, 1229, 1326, 1445, 1530, 1734, 1989, 2210, 2340, 2458, 2601, 2652, 2890, 3060, 3315, 3468, 3687, 3757, 3978, 4335, 4420, 4916, 5202, 5780, 6145, 6630, 7374, 7514, 7956, 8670, 9945, 10404, 11061, 11271, 12290, 13005, 13260, 14748, 15028, 15977, 17340, 18435, 18785, 19890, 20893, 22122, 22542, 24580, 26010, 31954, 33813, 36870, 37570, 39780, 41786, 44244, 45084, 47931, 52020, 55305, 56355, 62679, 63908, 67626, 73740, 75140, 79885, 83572, 95862, 104465, 110610, 112710, 125358, 135252, 143793, 159770, 169065, 188037, 191724, 208930, 221220, 225420, 239655, 250716, 271609, 287586, 313395, 319540, 338130, 355181, 376074, 417860, 479310, 543218, 575172, 626790, 676260, 710362, 718965, 752148, 814827, 940185, 958620, 1065543, 1086436, 1253580, 1358045, 1420724, 1437930, 1629654, 1775905, 1880370, 2131086, 2444481, 2716090, 2875860, 3196629, 3259308, 3551810, 3760740, 4074135, 4262172, 4617353, 4888962, 5327715, 5432180, 6393258, 7103620, 8148270, 9234706, 9777924, 10655430, 12222405, 12786516, 13852059, 15983145, 16296540, 18469412, 21310860, 23086765, 24444810, 27704118, 31966290, 41556177, 46173530, 48889620, 55408236, 63932580, 69260295, 83112354, 92347060, 138520590, 166224708, 207780885, 277041180, 415561770, 831123540]

約数ペア:

[(1, 831123540), (2, 415561770), (3, 277041180), (4, 207780885), (5, 166224708), (6, 138520590), (9, 92347060), (10, 83112354), (12, 69260295), (13, 63932580), (15, 55408236), (17, 48889620), (18, 46173530), (20, 41556177), (26, 31966290), (30, 27704118), (34, 24444810), (36, 23086765), (39, 21310860), (45, 18469412), (51, 16296540), (52, 15983145), (60, 13852059), (65, 12786516), (68, 12222405), (78, 10655430), (85, 9777924), (90, 9234706), (102, 8148270), (117, 7103620), (130, 6393258), (153, 5432180), (156, 5327715), (170, 4888962), (180, 4617353), (195, 4262172), (204, 4074135), (221, 3760740), (234, 3551810), (255, 3259308), (260, 3196629), (289, 2875860), (306, 2716090), (340, 2444481), (390, 2131086), (442, 1880370), (468, 1775905), (510, 1629654), (578, 1437930), (585, 1420724), (612, 1358045), (663, 1253580), (765, 1086436), (780, 1065543), (867, 958620), (884, 940185), (1020, 814827), (1105, 752148), (1156, 718965), (1170, 710362), (1229, 676260), (1326, 626790), (1445, 575172), (1530, 543218), (1734, 479310), (1989, 417860), (2210, 376074), (2340, 355181), (2458, 338130), (2601, 319540), (2652, 313395), (2890, 287586), (3060, 271609), (3315, 250716), (3468, 239655), (3687, 225420), (3757, 221220), (3978, 208930), (4335, 191724), (4420, 188037), (4916, 169065), (5202, 159770), (5780, 143793), (6145, 135252), (6630, 125358), (7374, 112710), (7514, 110610), (7956, 104465), (8670, 95862), (9945, 83572), (10404, 79885), (11061, 75140), (11271, 73740), (12290, 67626), (13005, 63908), (13260, 62679), (14748, 56355), (15028, 55305), (15977, 52020), (17340, 47931), (18435, 45084), (18785, 44244), (19890, 41786), (20893, 39780), (22122, 37570), (22542, 36870), (24580, 33813), (26010, 31954)]