856203520

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 2166312960

約数和(自身を除く): 1310109440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 127, 128, 160, 184, 229, 230, 254, 256, 320, 368, 458, 460, 508, 635, 640, 736, 916, 920, 1016, 1145, 1270, 1280, 1472, 1832, 1840, 2032, 2290, 2540, 2921, 2944, 3664, 3680, 4064, 4580, 5080, 5267, 5842, 5888, 7328, 7360, 8128, 9160, 10160, 10534, 11684, 14605, 14656, 14720, 16256, 18320, 20320, 21068, 23368, 26335, 29083, 29210, 29312, 29440, 32512, 36640, 40640, 42136, 46736, 52670, 58166, 58420, 58624, 73280, 81280, 84272, 93472, 105340, 116332, 116840, 145415, 146560, 162560, 168544, 186944, 210680, 232664, 233680, 290830, 293120, 337088, 373888, 421360, 465328, 467360, 581660, 668909, 674176, 747776, 842720, 930656, 934720, 1163320, 1337818, 1348352, 1685440, 1861312, 1869440, 2326640, 2675636, 3344545, 3370880, 3722624, 3738880, 4653280, 5351272, 6689090, 6741760, 7445248, 9306560, 10702544, 13378180, 18613120, 21405088, 26756360, 37226240, 42810176, 53512720, 85620352, 107025440, 171240704, 214050880, 428101760, 856203520]

約数ペア:

[(1, 856203520), (2, 428101760), (4, 214050880), (5, 171240704), (8, 107025440), (10, 85620352), (16, 53512720), (20, 42810176), (23, 37226240), (32, 26756360), (40, 21405088), (46, 18613120), (64, 13378180), (80, 10702544), (92, 9306560), (115, 7445248), (127, 6741760), (128, 6689090), (160, 5351272), (184, 4653280), (229, 3738880), (230, 3722624), (254, 3370880), (256, 3344545), (320, 2675636), (368, 2326640), (458, 1869440), (460, 1861312), (508, 1685440), (635, 1348352), (640, 1337818), (736, 1163320), (916, 934720), (920, 930656), (1016, 842720), (1145, 747776), (1270, 674176), (1280, 668909), (1472, 581660), (1832, 467360), (1840, 465328), (2032, 421360), (2290, 373888), (2540, 337088), (2921, 293120), (2944, 290830), (3664, 233680), (3680, 232664), (4064, 210680), (4580, 186944), (5080, 168544), (5267, 162560), (5842, 146560), (5888, 145415), (7328, 116840), (7360, 116332), (8128, 105340), (9160, 93472), (10160, 84272), (10534, 81280), (11684, 73280), (14605, 58624), (14656, 58420), (14720, 58166), (16256, 52670), (18320, 46736), (20320, 42136), (21068, 40640), (23368, 36640), (26335, 32512), (29083, 29440), (29210, 29312)]