81213000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 256

約数和(自身を含む): 291133440

約数和(自身を除く): 209920440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 25, 30, 33, 40, 44, 46, 50, 55, 60, 66, 69, 75, 88, 92, 100, 107, 110, 115, 120, 125, 132, 138, 150, 165, 184, 200, 214, 220, 230, 250, 253, 264, 275, 276, 300, 321, 330, 345, 375, 428, 440, 460, 500, 506, 535, 550, 552, 575, 600, 642, 660, 690, 750, 759, 825, 856, 920, 1000, 1012, 1070, 1100, 1150, 1177, 1265, 1284, 1320, 1375, 1380, 1500, 1518, 1605, 1650, 1725, 2024, 2140, 2200, 2300, 2354, 2461, 2530, 2568, 2675, 2750, 2760, 2875, 3000, 3036, 3210, 3300, 3450, 3531, 3795, 4125, 4280, 4600, 4708, 4922, 5060, 5350, 5500, 5750, 5885, 6072, 6325, 6420, 6600, 6900, 7062, 7383, 7590, 8025, 8250, 8625, 9416, 9844, 10120, 10700, 11000, 11500, 11770, 12305, 12650, 12840, 13375, 13800, 14124, 14766, 15180, 16050, 16500, 17250, 17655, 18975, 19688, 21400, 23000, 23540, 24610, 25300, 26750, 27071, 28248, 29425, 29532, 30360, 31625, 32100, 33000, 34500, 35310, 36915, 37950, 40125, 47080, 49220, 50600, 53500, 54142, 58850, 59064, 61525, 63250, 64200, 69000, 70620, 73830, 75900, 80250, 81213, 88275, 94875, 98440, 107000, 108284, 117700, 123050, 126500, 135355, 141240, 147125, 147660, 151800, 160500, 162426, 176550, 184575, 189750, 216568, 235400, 246100, 253000, 270710, 294250, 295320, 307625, 321000, 324852, 353100, 369150, 379500, 406065, 441375, 492200, 541420, 588500, 615250, 649704, 676775, 706200, 738300, 759000, 812130, 882750, 922875, 1082840, 1177000, 1230500, 1353550, 1476600, 1624260, 1765500, 1845750, 2030325, 2461000, 2707100, 3248520, 3383875, 3531000, 3691500, 4060650, 5414200, 6767750, 7383000, 8121300, 10151625, 13535500, 16242600, 20303250, 27071000, 40606500, 81213000]

約数ペア:

[(1, 81213000), (2, 40606500), (3, 27071000), (4, 20303250), (5, 16242600), (6, 13535500), (8, 10151625), (10, 8121300), (11, 7383000), (12, 6767750), (15, 5414200), (20, 4060650), (22, 3691500), (23, 3531000), (24, 3383875), (25, 3248520), (30, 2707100), (33, 2461000), (40, 2030325), (44, 1845750), (46, 1765500), (50, 1624260), (55, 1476600), (60, 1353550), (66, 1230500), (69, 1177000), (75, 1082840), (88, 922875), (92, 882750), (100, 812130), (107, 759000), (110, 738300), (115, 706200), (120, 676775), (125, 649704), (132, 615250), (138, 588500), (150, 541420), (165, 492200), (184, 441375), (200, 406065), (214, 379500), (220, 369150), (230, 353100), (250, 324852), (253, 321000), (264, 307625), (275, 295320), (276, 294250), (300, 270710), (321, 253000), (330, 246100), (345, 235400), (375, 216568), (428, 189750), (440, 184575), (460, 176550), (500, 162426), (506, 160500), (535, 151800), (550, 147660), (552, 147125), (575, 141240), (600, 135355), (642, 126500), (660, 123050), (690, 117700), (750, 108284), (759, 107000), (825, 98440), (856, 94875), (920, 88275), (1000, 81213), (1012, 80250), (1070, 75900), (1100, 73830), (1150, 70620), (1177, 69000), (1265, 64200), (1284, 63250), (1320, 61525), (1375, 59064), (1380, 58850), (1500, 54142), (1518, 53500), (1605, 50600), (1650, 49220), (1725, 47080), (2024, 40125), (2140, 37950), (2200, 36915), (2300, 35310), (2354, 34500), (2461, 33000), (2530, 32100), (2568, 31625), (2675, 30360), (2750, 29532), (2760, 29425), (2875, 28248), (3000, 27071), (3036, 26750), (3210, 25300), (3300, 24610), (3450, 23540), (3531, 23000), (3795, 21400), (4125, 19688), (4280, 18975), (4600, 17655), (4708, 17250), (4922, 16500), (5060, 16050), (5350, 15180), (5500, 14766), (5750, 14124), (5885, 13800), (6072, 13375), (6325, 12840), (6420, 12650), (6600, 12305), (6900, 11770), (7062, 11500), (7383, 11000), (7590, 10700), (8025, 10120), (8250, 9844), (8625, 9416)]