31104640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 87246720

約数和(自身を除く): 56142080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 131, 140, 160, 212, 224, 262, 265, 280, 320, 371, 424, 448, 524, 530, 560, 640, 655, 742, 848, 896, 917, 1048, 1060, 1120, 1310, 1484, 1696, 1834, 1855, 2096, 2120, 2240, 2620, 2968, 3392, 3668, 3710, 4192, 4240, 4480, 4585, 5240, 5936, 6784, 6943, 7336, 7420, 8384, 8480, 9170, 10480, 11872, 13886, 14672, 14840, 16768, 16960, 18340, 20960, 23744, 27772, 29344, 29680, 33920, 34715, 36680, 41920, 47488, 48601, 55544, 58688, 59360, 69430, 73360, 83840, 97202, 111088, 117376, 118720, 138860, 146720, 194404, 222176, 237440, 243005, 277720, 293440, 388808, 444352, 486010, 555440, 586880, 777616, 888704, 972020, 1110880, 1555232, 1944040, 2221760, 3110464, 3888080, 4443520, 6220928, 7776160, 15552320, 31104640]

約数ペア:

[(1, 31104640), (2, 15552320), (4, 7776160), (5, 6220928), (7, 4443520), (8, 3888080), (10, 3110464), (14, 2221760), (16, 1944040), (20, 1555232), (28, 1110880), (32, 972020), (35, 888704), (40, 777616), (53, 586880), (56, 555440), (64, 486010), (70, 444352), (80, 388808), (106, 293440), (112, 277720), (128, 243005), (131, 237440), (140, 222176), (160, 194404), (212, 146720), (224, 138860), (262, 118720), (265, 117376), (280, 111088), (320, 97202), (371, 83840), (424, 73360), (448, 69430), (524, 59360), (530, 58688), (560, 55544), (640, 48601), (655, 47488), (742, 41920), (848, 36680), (896, 34715), (917, 33920), (1048, 29680), (1060, 29344), (1120, 27772), (1310, 23744), (1484, 20960), (1696, 18340), (1834, 16960), (1855, 16768), (2096, 14840), (2120, 14672), (2240, 13886), (2620, 11872), (2968, 10480), (3392, 9170), (3668, 8480), (3710, 8384), (4192, 7420), (4240, 7336), (4480, 6943), (4585, 6784), (5240, 5936)]