1812260000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 240

約数和(自身を含む): 4786467840

約数和(自身を除く): 2974207840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 37, 40, 50, 62, 74, 79, 80, 100, 124, 125, 148, 155, 158, 160, 185, 200, 248, 250, 296, 310, 316, 370, 395, 400, 496, 500, 592, 620, 625, 632, 740, 775, 790, 800, 925, 992, 1000, 1147, 1184, 1240, 1250, 1264, 1480, 1550, 1580, 1850, 1975, 2000, 2294, 2449, 2480, 2500, 2528, 2923, 2960, 3100, 3160, 3700, 3875, 3950, 4000, 4588, 4625, 4898, 4960, 5000, 5735, 5846, 5920, 6200, 6320, 7400, 7750, 7900, 9176, 9250, 9796, 9875, 10000, 11470, 11692, 12245, 12400, 12640, 14615, 14800, 15500, 15800, 18352, 18500, 19375, 19592, 19750, 20000, 22940, 23125, 23384, 24490, 24800, 28675, 29230, 29600, 31000, 31600, 36704, 37000, 38750, 39184, 39500, 45880, 46250, 46768, 48980, 49375, 57350, 58460, 61225, 62000, 63200, 73075, 74000, 77500, 78368, 79000, 90613, 91760, 92500, 93536, 97960, 98750, 114700, 116920, 122450, 124000, 143375, 146150, 148000, 155000, 158000, 181226, 183520, 185000, 195920, 197500, 229400, 233840, 244900, 286750, 292300, 306125, 310000, 316000, 362452, 365375, 370000, 391840, 395000, 453065, 458800, 467680, 489800, 573500, 584600, 612250, 620000, 716875, 724904, 730750, 740000, 790000, 906130, 917600, 979600, 1147000, 1169200, 1224500, 1433750, 1449808, 1461500, 1530625, 1580000, 1812260, 1826875, 1959200, 2265325, 2294000, 2338400, 2449000, 2867500, 2899616, 2923000, 3061250, 3624520, 3653750, 4530650, 4588000, 4898000, 5735000, 5846000, 6122500, 7249040, 7307500, 9061300, 9796000, 11326625, 11470000, 11692000, 12245000, 14498080, 14615000, 18122600, 22653250, 22940000, 24490000, 29230000, 36245200, 45306500, 48980000, 56633125, 58460000, 72490400, 90613000, 113266250, 181226000, 226532500, 362452000, 453065000, 906130000, 1812260000]

約数ペア:

[(1, 1812260000), (2, 906130000), (4, 453065000), (5, 362452000), (8, 226532500), (10, 181226000), (16, 113266250), (20, 90613000), (25, 72490400), (31, 58460000), (32, 56633125), (37, 48980000), (40, 45306500), (50, 36245200), (62, 29230000), (74, 24490000), (79, 22940000), (80, 22653250), (100, 18122600), (124, 14615000), (125, 14498080), (148, 12245000), (155, 11692000), (158, 11470000), (160, 11326625), (185, 9796000), (200, 9061300), (248, 7307500), (250, 7249040), (296, 6122500), (310, 5846000), (316, 5735000), (370, 4898000), (395, 4588000), (400, 4530650), (496, 3653750), (500, 3624520), (592, 3061250), (620, 2923000), (625, 2899616), (632, 2867500), (740, 2449000), (775, 2338400), (790, 2294000), (800, 2265325), (925, 1959200), (992, 1826875), (1000, 1812260), (1147, 1580000), (1184, 1530625), (1240, 1461500), (1250, 1449808), (1264, 1433750), (1480, 1224500), (1550, 1169200), (1580, 1147000), (1850, 979600), (1975, 917600), (2000, 906130), (2294, 790000), (2449, 740000), (2480, 730750), (2500, 724904), (2528, 716875), (2923, 620000), (2960, 612250), (3100, 584600), (3160, 573500), (3700, 489800), (3875, 467680), (3950, 458800), (4000, 453065), (4588, 395000), (4625, 391840), (4898, 370000), (4960, 365375), (5000, 362452), (5735, 316000), (5846, 310000), (5920, 306125), (6200, 292300), (6320, 286750), (7400, 244900), (7750, 233840), (7900, 229400), (9176, 197500), (9250, 195920), (9796, 185000), (9875, 183520), (10000, 181226), (11470, 158000), (11692, 155000), (12245, 148000), (12400, 146150), (12640, 143375), (14615, 124000), (14800, 122450), (15500, 116920), (15800, 114700), (18352, 98750), (18500, 97960), (19375, 93536), (19592, 92500), (19750, 91760), (20000, 90613), (22940, 79000), (23125, 78368), (23384, 77500), (24490, 74000), (24800, 73075), (28675, 63200), (29230, 62000), (29600, 61225), (31000, 58460), (31600, 57350), (36704, 49375), (37000, 48980), (38750, 46768), (39184, 46250), (39500, 45880)]