18778864000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:838

約数の個数: 256

約数和(自身を含む): 50724273600

約数和(自身を除く): 31945409600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 137, 160, 200, 208, 250, 260, 274, 320, 325, 400, 416, 500, 520, 548, 640, 650, 659, 685, 800, 832, 1000, 1040, 1096, 1300, 1318, 1370, 1600, 1625, 1664, 1781, 2000, 2080, 2192, 2600, 2636, 2740, 3200, 3250, 3295, 3425, 3562, 4000, 4160, 4384, 5200, 5272, 5480, 6500, 6590, 6850, 7124, 8000, 8320, 8567, 8768, 8905, 10400, 10544, 10960, 13000, 13180, 13700, 14248, 16000, 16475, 17125, 17134, 17536, 17810, 20800, 21088, 21920, 26000, 26360, 27400, 28496, 32950, 34250, 34268, 35620, 41600, 42176, 42835, 43840, 44525, 52000, 52720, 54800, 56992, 65900, 68500, 68536, 71240, 82375, 84352, 85670, 87680, 89050, 90283, 104000, 105440, 109600, 113984, 131800, 137000, 137072, 142480, 164750, 171340, 178100, 180566, 208000, 210880, 214175, 219200, 222625, 227968, 263600, 274000, 274144, 284960, 329500, 342680, 356200, 361132, 421760, 428350, 438400, 445250, 451415, 527200, 548000, 548288, 569920, 659000, 685360, 712400, 722264, 856700, 890500, 902830, 1054400, 1070875, 1096000, 1096576, 1139840, 1173679, 1318000, 1370720, 1424800, 1444528, 1713400, 1781000, 1805660, 2108800, 2141750, 2192000, 2257075, 2347358, 2636000, 2741440, 2849600, 2889056, 3426800, 3562000, 3611320, 4283500, 4514150, 4694716, 5272000, 5482880, 5699200, 5778112, 5868395, 6853600, 7124000, 7222640, 8567000, 9028300, 9389432, 10544000, 11285375, 11556224, 11736790, 13707200, 14248000, 14445280, 17134000, 18056600, 18778864, 22570750, 23473580, 27414400, 28496000, 28890560, 29341975, 34268000, 36113200, 37557728, 45141500, 46947160, 57781120, 58683950, 68536000, 72226400, 75115456, 90283000, 93894320, 117367900, 137072000, 144452800, 146709875, 150230912, 180566000, 187788640, 234735800, 288905600, 293419750, 361132000, 375577280, 469471600, 586839500, 722264000, 751154560, 938943200, 1173679000, 1444528000, 1877886400, 2347358000, 3755772800, 4694716000, 9389432000, 18778864000]

約数ペア:

[(1, 18778864000), (2, 9389432000), (4, 4694716000), (5, 3755772800), (8, 2347358000), (10, 1877886400), (13, 1444528000), (16, 1173679000), (20, 938943200), (25, 751154560), (26, 722264000), (32, 586839500), (40, 469471600), (50, 375577280), (52, 361132000), (64, 293419750), (65, 288905600), (80, 234735800), (100, 187788640), (104, 180566000), (125, 150230912), (128, 146709875), (130, 144452800), (137, 137072000), (160, 117367900), (200, 93894320), (208, 90283000), (250, 75115456), (260, 72226400), (274, 68536000), (320, 58683950), (325, 57781120), (400, 46947160), (416, 45141500), (500, 37557728), (520, 36113200), (548, 34268000), (640, 29341975), (650, 28890560), (659, 28496000), (685, 27414400), (800, 23473580), (832, 22570750), (1000, 18778864), (1040, 18056600), (1096, 17134000), (1300, 14445280), (1318, 14248000), (1370, 13707200), (1600, 11736790), (1625, 11556224), (1664, 11285375), (1781, 10544000), (2000, 9389432), (2080, 9028300), (2192, 8567000), (2600, 7222640), (2636, 7124000), (2740, 6853600), (3200, 5868395), (3250, 5778112), (3295, 5699200), (3425, 5482880), (3562, 5272000), (4000, 4694716), (4160, 4514150), (4384, 4283500), (5200, 3611320), (5272, 3562000), (5480, 3426800), (6500, 2889056), (6590, 2849600), (6850, 2741440), (7124, 2636000), (8000, 2347358), (8320, 2257075), (8567, 2192000), (8768, 2141750), (8905, 2108800), (10400, 1805660), (10544, 1781000), (10960, 1713400), (13000, 1444528), (13180, 1424800), (13700, 1370720), (14248, 1318000), (16000, 1173679), (16475, 1139840), (17125, 1096576), (17134, 1096000), (17536, 1070875), (17810, 1054400), (20800, 902830), (21088, 890500), (21920, 856700), (26000, 722264), (26360, 712400), (27400, 685360), (28496, 659000), (32950, 569920), (34250, 548288), (34268, 548000), (35620, 527200), (41600, 451415), (42176, 445250), (42835, 438400), (43840, 428350), (44525, 421760), (52000, 361132), (52720, 356200), (54800, 342680), (56992, 329500), (65900, 284960), (68500, 274144), (68536, 274000), (71240, 263600), (82375, 227968), (84352, 222625), (85670, 219200), (87680, 214175), (89050, 210880), (90283, 208000), (104000, 180566), (105440, 178100), (109600, 171340), (113984, 164750), (131800, 142480), (137000, 137072)]