20877108800

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8693}}^1$

素因数の和:8813

約数の個数: 168

約数和(自身を含む): 54765244800

約数和(自身を除く): 33888136000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 79, 80, 95, 100, 152, 158, 160, 190, 200, 304, 316, 320, 380, 395, 400, 475, 608, 632, 760, 790, 800, 950, 1216, 1264, 1501, 1520, 1580, 1600, 1900, 1975, 2528, 3002, 3040, 3160, 3800, 3950, 5056, 6004, 6080, 6320, 7505, 7600, 7900, 8693, 12008, 12640, 15010, 15200, 15800, 17386, 24016, 25280, 30020, 30400, 31600, 34772, 37525, 43465, 48032, 60040, 63200, 69544, 75050, 86930, 96064, 120080, 126400, 139088, 150100, 165167, 173860, 217325, 240160, 278176, 300200, 330334, 347720, 434650, 480320, 556352, 600400, 660668, 686747, 695440, 825835, 869300, 1200800, 1321336, 1373494, 1390880, 1651670, 1738600, 2401600, 2642672, 2746988, 2781760, 3303340, 3433735, 3477200, 4129175, 5285344, 5493976, 6606680, 6867470, 6954400, 8258350, 10570688, 10987952, 13048193, 13213360, 13734940, 13908800, 16516700, 17168675, 21975904, 26096386, 26426720, 27469880, 33033400, 34337350, 43951808, 52192772, 52853440, 54939760, 65240965, 66066800, 68674700, 104385544, 109879520, 130481930, 132133600, 137349400, 208771088, 219759040, 260963860, 264267200, 274698800, 326204825, 417542176, 521927720, 549397600, 652409650, 835084352, 1043855440, 1098795200, 1304819300, 2087710880, 2609638600, 4175421760, 5219277200, 10438554400, 20877108800]

約数ペア:

[(1, 20877108800), (2, 10438554400), (4, 5219277200), (5, 4175421760), (8, 2609638600), (10, 2087710880), (16, 1304819300), (19, 1098795200), (20, 1043855440), (25, 835084352), (32, 652409650), (38, 549397600), (40, 521927720), (50, 417542176), (64, 326204825), (76, 274698800), (79, 264267200), (80, 260963860), (95, 219759040), (100, 208771088), (152, 137349400), (158, 132133600), (160, 130481930), (190, 109879520), (200, 104385544), (304, 68674700), (316, 66066800), (320, 65240965), (380, 54939760), (395, 52853440), (400, 52192772), (475, 43951808), (608, 34337350), (632, 33033400), (760, 27469880), (790, 26426720), (800, 26096386), (950, 21975904), (1216, 17168675), (1264, 16516700), (1501, 13908800), (1520, 13734940), (1580, 13213360), (1600, 13048193), (1900, 10987952), (1975, 10570688), (2528, 8258350), (3002, 6954400), (3040, 6867470), (3160, 6606680), (3800, 5493976), (3950, 5285344), (5056, 4129175), (6004, 3477200), (6080, 3433735), (6320, 3303340), (7505, 2781760), (7600, 2746988), (7900, 2642672), (8693, 2401600), (12008, 1738600), (12640, 1651670), (15010, 1390880), (15200, 1373494), (15800, 1321336), (17386, 1200800), (24016, 869300), (25280, 825835), (30020, 695440), (30400, 686747), (31600, 660668), (34772, 600400), (37525, 556352), (43465, 480320), (48032, 434650), (60040, 347720), (63200, 330334), (69544, 300200), (75050, 278176), (86930, 240160), (96064, 217325), (120080, 173860), (126400, 165167), (139088, 150100)]