19219880960

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17299}}^1$

素因数の和:17362

約数の個数: 176

約数和(自身を含む): 54394521600

約数和(自身を除く): 35174640640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 992, 1024, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 3472, 3584, 3968, 4340, 4480, 4960, 5120, 6944, 7168, 7936, 8680, 8960, 9920, 13888, 15872, 17299, 17360, 17920, 19840, 27776, 31744, 34598, 34720, 35840, 39680, 55552, 69196, 69440, 79360, 86495, 111104, 121093, 138392, 138880, 158720, 172990, 222208, 242186, 276784, 277760, 345980, 484372, 536269, 553568, 555520, 605465, 691960, 968744, 1072538, 1107136, 1111040, 1210930, 1383920, 1937488, 2145076, 2214272, 2421860, 2681345, 2767840, 3753883, 3874976, 4290152, 4428544, 4843720, 5362690, 5535680, 7507766, 7749952, 8580304, 8857088, 9687440, 10725380, 11071360, 15015532, 15499904, 17160608, 17714176, 18769415, 19374880, 21450760, 22142720, 30031064, 30999808, 34321216, 37538830, 38749760, 42901520, 44285440, 60062128, 61999616, 68642432, 75077660, 77499520, 85803040, 88570880, 120124256, 123999232, 137284864, 150155320, 154999040, 171606080, 240248512, 274569728, 300310640, 309998080, 343212160, 480497024, 549139456, 600621280, 619996160, 686424320, 960994048, 1201242560, 1372848640, 1921988096, 2402485120, 2745697280, 3843976192, 4804970240, 9609940480, 19219880960]

約数ペア:

[(1, 19219880960), (2, 9609940480), (4, 4804970240), (5, 3843976192), (7, 2745697280), (8, 2402485120), (10, 1921988096), (14, 1372848640), (16, 1201242560), (20, 960994048), (28, 686424320), (31, 619996160), (32, 600621280), (35, 549139456), (40, 480497024), (56, 343212160), (62, 309998080), (64, 300310640), (70, 274569728), (80, 240248512), (112, 171606080), (124, 154999040), (128, 150155320), (140, 137284864), (155, 123999232), (160, 120124256), (217, 88570880), (224, 85803040), (248, 77499520), (256, 75077660), (280, 68642432), (310, 61999616), (320, 60062128), (434, 44285440), (448, 42901520), (496, 38749760), (512, 37538830), (560, 34321216), (620, 30999808), (640, 30031064), (868, 22142720), (896, 21450760), (992, 19374880), (1024, 18769415), (1085, 17714176), (1120, 17160608), (1240, 15499904), (1280, 15015532), (1736, 11071360), (1792, 10725380), (1984, 9687440), (2170, 8857088), (2240, 8580304), (2480, 7749952), (2560, 7507766), (3472, 5535680), (3584, 5362690), (3968, 4843720), (4340, 4428544), (4480, 4290152), (4960, 3874976), (5120, 3753883), (6944, 2767840), (7168, 2681345), (7936, 2421860), (8680, 2214272), (8960, 2145076), (9920, 1937488), (13888, 1383920), (15872, 1210930), (17299, 1111040), (17360, 1107136), (17920, 1072538), (19840, 968744), (27776, 691960), (31744, 605465), (34598, 555520), (34720, 553568), (35840, 536269), (39680, 484372), (55552, 345980), (69196, 277760), (69440, 276784), (79360, 242186), (86495, 222208), (111104, 172990), (121093, 158720), (138392, 138880)]