74787720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 256

約数和(自身を含む): 276480000

約数和(自身を除く): 201692280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 79, 84, 92, 98, 105, 115, 120, 138, 140, 147, 158, 161, 168, 184, 196, 210, 230, 237, 245, 276, 280, 294, 316, 322, 343, 345, 392, 395, 420, 460, 474, 483, 490, 552, 553, 588, 632, 644, 686, 690, 735, 790, 805, 840, 920, 948, 966, 980, 1029, 1106, 1127, 1176, 1185, 1288, 1372, 1380, 1470, 1580, 1610, 1659, 1715, 1817, 1896, 1932, 1960, 2058, 2212, 2254, 2370, 2415, 2744, 2760, 2765, 2940, 3160, 3220, 3318, 3381, 3430, 3634, 3864, 3871, 4116, 4424, 4508, 4740, 4830, 5145, 5451, 5530, 5635, 5880, 6440, 6636, 6762, 6860, 7268, 7742, 7889, 8232, 8295, 9016, 9085, 9480, 9660, 10290, 10902, 11060, 11270, 11613, 12719, 13272, 13524, 13720, 14536, 15484, 15778, 16590, 16905, 18170, 19320, 19355, 20580, 21804, 22120, 22540, 23226, 23667, 25438, 27048, 27097, 27255, 30968, 31556, 33180, 33810, 36340, 38157, 38710, 39445, 41160, 43608, 45080, 46452, 47334, 50876, 54194, 54510, 58065, 63112, 63595, 66360, 67620, 72680, 76314, 77420, 78890, 81291, 89033, 92904, 94668, 101752, 108388, 109020, 116130, 118335, 127190, 135240, 135485, 152628, 154840, 157780, 162582, 178066, 189336, 190785, 216776, 218040, 232260, 236670, 254380, 267099, 270970, 305256, 315560, 325164, 356132, 381570, 406455, 445165, 464520, 473340, 508760, 534198, 541940, 623231, 650328, 712264, 763140, 812910, 890330, 946680, 1068396, 1083880, 1246462, 1335495, 1526280, 1625820, 1780660, 1869693, 2136792, 2492924, 2670990, 3116155, 3251640, 3561320, 3739386, 4985848, 5341980, 6232310, 7478772, 9348465, 10683960, 12464620, 14957544, 18696930, 24929240, 37393860, 74787720]

約数ペア:

[(1, 74787720), (2, 37393860), (3, 24929240), (4, 18696930), (5, 14957544), (6, 12464620), (7, 10683960), (8, 9348465), (10, 7478772), (12, 6232310), (14, 5341980), (15, 4985848), (20, 3739386), (21, 3561320), (23, 3251640), (24, 3116155), (28, 2670990), (30, 2492924), (35, 2136792), (40, 1869693), (42, 1780660), (46, 1625820), (49, 1526280), (56, 1335495), (60, 1246462), (69, 1083880), (70, 1068396), (79, 946680), (84, 890330), (92, 812910), (98, 763140), (105, 712264), (115, 650328), (120, 623231), (138, 541940), (140, 534198), (147, 508760), (158, 473340), (161, 464520), (168, 445165), (184, 406455), (196, 381570), (210, 356132), (230, 325164), (237, 315560), (245, 305256), (276, 270970), (280, 267099), (294, 254380), (316, 236670), (322, 232260), (343, 218040), (345, 216776), (392, 190785), (395, 189336), (420, 178066), (460, 162582), (474, 157780), (483, 154840), (490, 152628), (552, 135485), (553, 135240), (588, 127190), (632, 118335), (644, 116130), (686, 109020), (690, 108388), (735, 101752), (790, 94668), (805, 92904), (840, 89033), (920, 81291), (948, 78890), (966, 77420), (980, 76314), (1029, 72680), (1106, 67620), (1127, 66360), (1176, 63595), (1185, 63112), (1288, 58065), (1372, 54510), (1380, 54194), (1470, 50876), (1580, 47334), (1610, 46452), (1659, 45080), (1715, 43608), (1817, 41160), (1896, 39445), (1932, 38710), (1960, 38157), (2058, 36340), (2212, 33810), (2254, 33180), (2370, 31556), (2415, 30968), (2744, 27255), (2760, 27097), (2765, 27048), (2940, 25438), (3160, 23667), (3220, 23226), (3318, 22540), (3381, 22120), (3430, 21804), (3634, 20580), (3864, 19355), (3871, 19320), (4116, 18170), (4424, 16905), (4508, 16590), (4740, 15778), (4830, 15484), (5145, 14536), (5451, 13720), (5530, 13524), (5635, 13272), (5880, 12719), (6440, 11613), (6636, 11270), (6762, 11060), (6860, 10902), (7268, 10290), (7742, 9660), (7889, 9480), (8232, 9085), (8295, 9016)]