28421760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 92093760

約数和(自身を除く): 63672000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 128, 131, 160, 192, 226, 240, 262, 320, 339, 384, 393, 452, 480, 524, 565, 640, 655, 678, 786, 904, 960, 1048, 1130, 1310, 1356, 1572, 1695, 1808, 1920, 1965, 2096, 2260, 2620, 2712, 3144, 3390, 3616, 3930, 4192, 4520, 5240, 5424, 6288, 6780, 7232, 7860, 8384, 9040, 10480, 10848, 12576, 13560, 14464, 14803, 15720, 16768, 18080, 20960, 21696, 25152, 27120, 29606, 31440, 36160, 41920, 43392, 44409, 50304, 54240, 59212, 62880, 72320, 74015, 83840, 88818, 108480, 118424, 125760, 148030, 177636, 216960, 222045, 236848, 251520, 296060, 355272, 444090, 473696, 592120, 710544, 888180, 947392, 1184240, 1421088, 1776360, 1894784, 2368480, 2842176, 3552720, 4736960, 5684352, 7105440, 9473920, 14210880, 28421760]

約数ペア:

[(1, 28421760), (2, 14210880), (3, 9473920), (4, 7105440), (5, 5684352), (6, 4736960), (8, 3552720), (10, 2842176), (12, 2368480), (15, 1894784), (16, 1776360), (20, 1421088), (24, 1184240), (30, 947392), (32, 888180), (40, 710544), (48, 592120), (60, 473696), (64, 444090), (80, 355272), (96, 296060), (113, 251520), (120, 236848), (128, 222045), (131, 216960), (160, 177636), (192, 148030), (226, 125760), (240, 118424), (262, 108480), (320, 88818), (339, 83840), (384, 74015), (393, 72320), (452, 62880), (480, 59212), (524, 54240), (565, 50304), (640, 44409), (655, 43392), (678, 41920), (786, 36160), (904, 31440), (960, 29606), (1048, 27120), (1130, 25152), (1310, 21696), (1356, 20960), (1572, 18080), (1695, 16768), (1808, 15720), (1920, 14803), (1965, 14464), (2096, 13560), (2260, 12576), (2620, 10848), (2712, 10480), (3144, 9040), (3390, 8384), (3616, 7860), (3930, 7232), (4192, 6780), (4520, 6288), (5240, 5424)]