261760590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1095

約数の個数: 192

約数和(自身を含む): 865492992

約数和(自身を除く): 603732402

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 31, 35, 39, 42, 45, 62, 63, 65, 70, 78, 90, 91, 93, 105, 117, 126, 130, 155, 182, 186, 195, 210, 217, 234, 273, 279, 310, 315, 390, 403, 434, 455, 465, 546, 558, 585, 630, 651, 806, 819, 910, 930, 1031, 1085, 1170, 1209, 1302, 1365, 1395, 1638, 1953, 2015, 2062, 2170, 2418, 2730, 2790, 2821, 3093, 3255, 3627, 3906, 4030, 4095, 5155, 5642, 6045, 6186, 6510, 7217, 7254, 8190, 8463, 9279, 9765, 10310, 12090, 13403, 14105, 14434, 15465, 16926, 18135, 18558, 19530, 21651, 25389, 26806, 28210, 30930, 31961, 36085, 36270, 40209, 42315, 43302, 46395, 50778, 63922, 64953, 67015, 72170, 80418, 84630, 92790, 93821, 95883, 108255, 120627, 126945, 129906, 134030, 159805, 187642, 191766, 201045, 216510, 223727, 241254, 253890, 281463, 287649, 319610, 324765, 402090, 415493, 447454, 469105, 479415, 562926, 575298, 603135, 649530, 671181, 830986, 844389, 938210, 958830, 1118635, 1206270, 1246479, 1342362, 1407315, 1438245, 1688778, 2013543, 2077465, 2237270, 2492958, 2814630, 2876490, 2908451, 3355905, 3739437, 4027086, 4154930, 4221945, 5816902, 6232395, 6711810, 7478874, 8443890, 8725353, 10067715, 12464790, 14542255, 17450706, 18697185, 20135430, 26176059, 29084510, 37394370, 43626765, 52352118, 87253530, 130880295, 261760590]

約数ペア:

[(1, 261760590), (2, 130880295), (3, 87253530), (5, 52352118), (6, 43626765), (7, 37394370), (9, 29084510), (10, 26176059), (13, 20135430), (14, 18697185), (15, 17450706), (18, 14542255), (21, 12464790), (26, 10067715), (30, 8725353), (31, 8443890), (35, 7478874), (39, 6711810), (42, 6232395), (45, 5816902), (62, 4221945), (63, 4154930), (65, 4027086), (70, 3739437), (78, 3355905), (90, 2908451), (91, 2876490), (93, 2814630), (105, 2492958), (117, 2237270), (126, 2077465), (130, 2013543), (155, 1688778), (182, 1438245), (186, 1407315), (195, 1342362), (210, 1246479), (217, 1206270), (234, 1118635), (273, 958830), (279, 938210), (310, 844389), (315, 830986), (390, 671181), (403, 649530), (434, 603135), (455, 575298), (465, 562926), (546, 479415), (558, 469105), (585, 447454), (630, 415493), (651, 402090), (806, 324765), (819, 319610), (910, 287649), (930, 281463), (1031, 253890), (1085, 241254), (1170, 223727), (1209, 216510), (1302, 201045), (1365, 191766), (1395, 187642), (1638, 159805), (1953, 134030), (2015, 129906), (2062, 126945), (2170, 120627), (2418, 108255), (2730, 95883), (2790, 93821), (2821, 92790), (3093, 84630), (3255, 80418), (3627, 72170), (3906, 67015), (4030, 64953), (4095, 63922), (5155, 50778), (5642, 46395), (6045, 43302), (6186, 42315), (6510, 40209), (7217, 36270), (7254, 36085), (8190, 31961), (8463, 30930), (9279, 28210), (9765, 26806), (10310, 25389), (12090, 21651), (13403, 19530), (14105, 18558), (14434, 18135), (15465, 16926)]