30001920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 103360992

約数和(自身を除く): 73359072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 601, 624, 640, 768, 780, 832, 960, 1040, 1202, 1248, 1280, 1560, 1664, 1803, 1920, 2080, 2404, 2496, 3005, 3120, 3328, 3606, 3840, 4160, 4808, 4992, 6010, 6240, 7212, 7813, 8320, 9015, 9616, 9984, 12020, 12480, 14424, 15626, 16640, 18030, 19232, 23439, 24040, 24960, 28848, 31252, 36060, 38464, 39065, 46878, 48080, 49920, 57696, 62504, 72120, 76928, 78130, 93756, 96160, 115392, 117195, 125008, 144240, 153856, 156260, 187512, 192320, 230784, 234390, 250016, 288480, 312520, 375024, 384640, 461568, 468780, 500032, 576960, 625040, 750048, 769280, 937560, 1000064, 1153920, 1250080, 1500096, 1875120, 2000128, 2307840, 2500160, 3000192, 3750240, 5000320, 6000384, 7500480, 10000640, 15000960, 30001920]

約数ペア:

[(1, 30001920), (2, 15000960), (3, 10000640), (4, 7500480), (5, 6000384), (6, 5000320), (8, 3750240), (10, 3000192), (12, 2500160), (13, 2307840), (15, 2000128), (16, 1875120), (20, 1500096), (24, 1250080), (26, 1153920), (30, 1000064), (32, 937560), (39, 769280), (40, 750048), (48, 625040), (52, 576960), (60, 500032), (64, 468780), (65, 461568), (78, 384640), (80, 375024), (96, 312520), (104, 288480), (120, 250016), (128, 234390), (130, 230784), (156, 192320), (160, 187512), (192, 156260), (195, 153856), (208, 144240), (240, 125008), (256, 117195), (260, 115392), (312, 96160), (320, 93756), (384, 78130), (390, 76928), (416, 72120), (480, 62504), (520, 57696), (601, 49920), (624, 48080), (640, 46878), (768, 39065), (780, 38464), (832, 36060), (960, 31252), (1040, 28848), (1202, 24960), (1248, 24040), (1280, 23439), (1560, 19232), (1664, 18030), (1803, 16640), (1920, 15626), (2080, 14424), (2404, 12480), (2496, 12020), (3005, 9984), (3120, 9616), (3328, 9015), (3606, 8320), (3840, 7813), (4160, 7212), (4808, 6240), (4992, 6010)]