81430650

素因数分解:

$2^1\times 3^3\times 5^2\times 7^2\times {\mathrm{1231}}^1$

素因数の和:1266

約数の個数: 144

約数和(自身を含む): 261233280

約数和(自身を除く): 179802630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 49, 50, 54, 63, 70, 75, 90, 98, 105, 126, 135, 147, 150, 175, 189, 210, 225, 245, 270, 294, 315, 350, 378, 441, 450, 490, 525, 630, 675, 735, 882, 945, 1050, 1225, 1231, 1323, 1350, 1470, 1575, 1890, 2205, 2450, 2462, 2646, 3150, 3675, 3693, 4410, 4725, 6155, 6615, 7350, 7386, 8617, 9450, 11025, 11079, 12310, 13230, 17234, 18465, 22050, 22158, 25851, 30775, 33075, 33237, 36930, 43085, 51702, 55395, 60319, 61550, 66150, 66474, 77553, 86170, 92325, 110790, 120638, 129255, 155106, 166185, 180957, 184650, 215425, 232659, 258510, 276975, 301595, 332370, 361914, 387765, 430850, 465318, 542871, 553950, 603190, 646275, 775530, 830925, 904785, 1085742, 1163295, 1292550, 1507975, 1628613, 1661850, 1809570, 1938825, 2326590, 2714355, 3015950, 3257226, 3877650, 4523925, 5428710, 5816475, 8143065, 9047850, 11632950, 13571775, 16286130, 27143550, 40715325, 81430650]

約数ペア:

[(1, 81430650), (2, 40715325), (3, 27143550), (5, 16286130), (6, 13571775), (7, 11632950), (9, 9047850), (10, 8143065), (14, 5816475), (15, 5428710), (18, 4523925), (21, 3877650), (25, 3257226), (27, 3015950), (30, 2714355), (35, 2326590), (42, 1938825), (45, 1809570), (49, 1661850), (50, 1628613), (54, 1507975), (63, 1292550), (70, 1163295), (75, 1085742), (90, 904785), (98, 830925), (105, 775530), (126, 646275), (135, 603190), (147, 553950), (150, 542871), (175, 465318), (189, 430850), (210, 387765), (225, 361914), (245, 332370), (270, 301595), (294, 276975), (315, 258510), (350, 232659), (378, 215425), (441, 184650), (450, 180957), (490, 166185), (525, 155106), (630, 129255), (675, 120638), (735, 110790), (882, 92325), (945, 86170), (1050, 77553), (1225, 66474), (1231, 66150), (1323, 61550), (1350, 60319), (1470, 55395), (1575, 51702), (1890, 43085), (2205, 36930), (2450, 33237), (2462, 33075), (2646, 30775), (3150, 25851), (3675, 22158), (3693, 22050), (4410, 18465), (4725, 17234), (6155, 13230), (6615, 12310), (7350, 11079), (7386, 11025), (8617, 9450)]