81829425520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:839

約数の個数: 160

約数和(自身を含む): 195413492736

約数和(自身を除く): 113584067216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 167, 281, 284, 307, 334, 355, 562, 568, 614, 668, 710, 835, 1124, 1136, 1228, 1336, 1405, 1420, 1535, 1670, 2248, 2456, 2672, 2810, 2840, 3070, 3340, 4496, 4912, 5620, 5680, 6140, 6680, 11240, 11857, 12280, 13360, 19951, 21797, 22480, 23714, 24560, 39902, 43594, 46927, 47428, 51269, 59285, 79804, 86267, 87188, 93854, 94856, 99755, 102538, 108985, 118570, 159608, 172534, 174376, 187708, 189712, 199510, 205076, 217970, 234635, 237140, 256345, 319216, 345068, 348752, 375416, 399020, 410152, 431335, 435940, 469270, 474280, 512690, 690136, 750832, 798040, 820304, 862670, 871880, 938540, 948560, 1025380, 1380272, 1596080, 1725340, 1743760, 1877080, 2050760, 3331817, 3450680, 3640099, 3754160, 4101520, 6124957, 6663634, 6901360, 7280198, 12249914, 13327268, 14406589, 14560396, 16659085, 18200495, 24499828, 26654536, 28813178, 29120792, 30624785, 33318170, 36400990, 48999656, 53309072, 57626356, 58241584, 61249570, 66636340, 72032945, 72801980, 97999312, 115252712, 122499140, 133272680, 144065890, 145603960, 230505424, 244998280, 266545360, 288131780, 291207920, 489996560, 576263560, 1022867819, 1152527120, 2045735638, 4091471276, 5114339095, 8182942552, 10228678190, 16365885104, 20457356380, 40914712760, 81829425520]

約数ペア:

[(1, 81829425520), (2, 40914712760), (4, 20457356380), (5, 16365885104), (8, 10228678190), (10, 8182942552), (16, 5114339095), (20, 4091471276), (40, 2045735638), (71, 1152527120), (80, 1022867819), (142, 576263560), (167, 489996560), (281, 291207920), (284, 288131780), (307, 266545360), (334, 244998280), (355, 230505424), (562, 145603960), (568, 144065890), (614, 133272680), (668, 122499140), (710, 115252712), (835, 97999312), (1124, 72801980), (1136, 72032945), (1228, 66636340), (1336, 61249570), (1405, 58241584), (1420, 57626356), (1535, 53309072), (1670, 48999656), (2248, 36400990), (2456, 33318170), (2672, 30624785), (2810, 29120792), (2840, 28813178), (3070, 26654536), (3340, 24499828), (4496, 18200495), (4912, 16659085), (5620, 14560396), (5680, 14406589), (6140, 13327268), (6680, 12249914), (11240, 7280198), (11857, 6901360), (12280, 6663634), (13360, 6124957), (19951, 4101520), (21797, 3754160), (22480, 3640099), (23714, 3450680), (24560, 3331817), (39902, 2050760), (43594, 1877080), (46927, 1743760), (47428, 1725340), (51269, 1596080), (59285, 1380272), (79804, 1025380), (86267, 948560), (87188, 938540), (93854, 871880), (94856, 862670), (99755, 820304), (102538, 798040), (108985, 750832), (118570, 690136), (159608, 512690), (172534, 474280), (174376, 469270), (187708, 435940), (189712, 431335), (199510, 410152), (205076, 399020), (217970, 375416), (234635, 348752), (237140, 345068), (256345, 319216)]