1896543520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 192

約数和(自身を含む): 4898880000

約数和(自身を除く): 3002336480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 79, 80, 95, 106, 149, 152, 158, 160, 190, 212, 265, 298, 304, 316, 380, 395, 424, 530, 596, 608, 632, 745, 760, 790, 848, 1007, 1060, 1192, 1264, 1490, 1501, 1520, 1580, 1696, 2014, 2120, 2384, 2528, 2831, 2980, 3002, 3040, 3160, 4028, 4187, 4240, 4768, 5035, 5662, 5960, 6004, 6320, 7505, 7897, 8056, 8374, 8480, 10070, 11324, 11771, 11920, 12008, 12640, 14155, 15010, 15794, 16112, 16748, 20140, 20935, 22648, 23542, 23840, 24016, 28310, 30020, 31588, 32224, 33496, 39485, 40280, 41870, 45296, 47084, 48032, 56620, 58855, 60040, 63176, 66992, 78970, 79553, 80560, 83740, 90592, 94168, 113240, 117710, 120080, 126352, 133984, 150043, 157940, 159106, 161120, 167480, 188336, 223649, 226480, 235420, 240160, 252704, 300086, 315880, 318212, 334960, 376672, 397765, 447298, 452960, 470840, 600172, 623863, 631760, 636424, 669920, 750215, 795530, 894596, 941680, 1118245, 1200344, 1247726, 1263520, 1272848, 1500430, 1591060, 1789192, 1883360, 2236490, 2400688, 2495452, 2545696, 3000860, 3119315, 3182120, 3578384, 4472980, 4801376, 4990904, 6001720, 6238630, 6364240, 7156768, 8945960, 9981808, 11853397, 12003440, 12477260, 12728480, 17891920, 19963616, 23706794, 24006880, 24954520, 35783840, 47413588, 49909040, 59266985, 94827176, 99818080, 118533970, 189654352, 237067940, 379308704, 474135880, 948271760, 1896543520]

約数ペア:

[(1, 1896543520), (2, 948271760), (4, 474135880), (5, 379308704), (8, 237067940), (10, 189654352), (16, 118533970), (19, 99818080), (20, 94827176), (32, 59266985), (38, 49909040), (40, 47413588), (53, 35783840), (76, 24954520), (79, 24006880), (80, 23706794), (95, 19963616), (106, 17891920), (149, 12728480), (152, 12477260), (158, 12003440), (160, 11853397), (190, 9981808), (212, 8945960), (265, 7156768), (298, 6364240), (304, 6238630), (316, 6001720), (380, 4990904), (395, 4801376), (424, 4472980), (530, 3578384), (596, 3182120), (608, 3119315), (632, 3000860), (745, 2545696), (760, 2495452), (790, 2400688), (848, 2236490), (1007, 1883360), (1060, 1789192), (1192, 1591060), (1264, 1500430), (1490, 1272848), (1501, 1263520), (1520, 1247726), (1580, 1200344), (1696, 1118245), (2014, 941680), (2120, 894596), (2384, 795530), (2528, 750215), (2831, 669920), (2980, 636424), (3002, 631760), (3040, 623863), (3160, 600172), (4028, 470840), (4187, 452960), (4240, 447298), (4768, 397765), (5035, 376672), (5662, 334960), (5960, 318212), (6004, 315880), (6320, 300086), (7505, 252704), (7897, 240160), (8056, 235420), (8374, 226480), (8480, 223649), (10070, 188336), (11324, 167480), (11771, 161120), (11920, 159106), (12008, 157940), (12640, 150043), (14155, 133984), (15010, 126352), (15794, 120080), (16112, 117710), (16748, 113240), (20140, 94168), (20935, 90592), (22648, 83740), (23542, 80560), (23840, 79553), (24016, 78970), (28310, 66992), (30020, 63176), (31588, 60040), (32224, 58855), (33496, 56620), (39485, 48032), (40280, 47084), (41870, 45296)]