291216586720

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{1231}}^1$

素因数の和:1821

約数の個数: 192

約数和(自身を含む): 716706144000

約数和(自身を除く): 425489557280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 89, 148, 160, 178, 185, 296, 356, 370, 445, 449, 592, 712, 740, 890, 898, 1184, 1231, 1424, 1480, 1780, 1796, 2245, 2462, 2848, 2960, 3293, 3560, 3592, 4490, 4924, 5920, 6155, 6586, 7120, 7184, 8980, 9848, 12310, 13172, 14240, 14368, 16465, 16613, 17960, 19696, 24620, 26344, 32930, 33226, 35920, 39392, 39961, 45547, 49240, 52688, 65860, 66452, 71840, 79922, 83065, 91094, 98480, 105376, 109559, 131720, 132904, 159844, 166130, 182188, 196960, 199805, 219118, 227735, 263440, 265808, 319688, 332260, 364376, 399610, 438236, 455470, 526880, 531616, 547795, 552719, 639376, 664520, 728752, 799220, 876472, 910940, 1095590, 1105438, 1278752, 1329040, 1457504, 1478557, 1598440, 1752944, 1821880, 2191180, 2210876, 2658080, 2763595, 2957114, 3196880, 3505888, 3643760, 4053683, 4382360, 4421752, 5527190, 5914228, 6393760, 7287520, 7392785, 8107366, 8764720, 8843504, 11054380, 11828456, 14785570, 16214732, 17529440, 17687008, 20268415, 20450603, 22108760, 23656912, 29571140, 32429464, 40536830, 40901206, 44217520, 47313824, 49191991, 59142280, 64858928, 81073660, 81802412, 88435040, 98383982, 102253015, 118284560, 129717856, 162147320, 163604824, 196767964, 204506030, 236569120, 245959955, 324294640, 327209648, 393535928, 409012060, 491919910, 648589280, 654419296, 787071856, 818024120, 983839820, 1574143712, 1636048240, 1820103667, 1967679640, 3272096480, 3640207334, 3935359280, 7280414668, 7870718560, 9100518335, 14560829336, 18201036670, 29121658672, 36402073340, 58243317344, 72804146680, 145608293360, 291216586720]

約数ペア:

[(1, 291216586720), (2, 145608293360), (4, 72804146680), (5, 58243317344), (8, 36402073340), (10, 29121658672), (16, 18201036670), (20, 14560829336), (32, 9100518335), (37, 7870718560), (40, 7280414668), (74, 3935359280), (80, 3640207334), (89, 3272096480), (148, 1967679640), (160, 1820103667), (178, 1636048240), (185, 1574143712), (296, 983839820), (356, 818024120), (370, 787071856), (445, 654419296), (449, 648589280), (592, 491919910), (712, 409012060), (740, 393535928), (890, 327209648), (898, 324294640), (1184, 245959955), (1231, 236569120), (1424, 204506030), (1480, 196767964), (1780, 163604824), (1796, 162147320), (2245, 129717856), (2462, 118284560), (2848, 102253015), (2960, 98383982), (3293, 88435040), (3560, 81802412), (3592, 81073660), (4490, 64858928), (4924, 59142280), (5920, 49191991), (6155, 47313824), (6586, 44217520), (7120, 40901206), (7184, 40536830), (8980, 32429464), (9848, 29571140), (12310, 23656912), (13172, 22108760), (14240, 20450603), (14368, 20268415), (16465, 17687008), (16613, 17529440), (17960, 16214732), (19696, 14785570), (24620, 11828456), (26344, 11054380), (32930, 8843504), (33226, 8764720), (35920, 8107366), (39392, 7392785), (39961, 7287520), (45547, 6393760), (49240, 5914228), (52688, 5527190), (65860, 4421752), (66452, 4382360), (71840, 4053683), (79922, 3643760), (83065, 3505888), (91094, 3196880), (98480, 2957114), (105376, 2763595), (109559, 2658080), (131720, 2210876), (132904, 2191180), (159844, 1821880), (166130, 1752944), (182188, 1598440), (196960, 1478557), (199805, 1457504), (219118, 1329040), (227735, 1278752), (263440, 1105438), (265808, 1095590), (319688, 910940), (332260, 876472), (364376, 799220), (399610, 728752), (438236, 664520), (455470, 639376), (526880, 552719), (531616, 547795)]