1808895760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:358

約数の個数: 240

約数和(自身を含む): 5216184000

約数和(自身を除く): 3407288240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 149, 152, 163, 190, 196, 245, 266, 280, 298, 304, 326, 380, 392, 490, 532, 560, 596, 652, 665, 745, 760, 784, 815, 931, 980, 1043, 1064, 1141, 1192, 1304, 1330, 1490, 1520, 1630, 1862, 1960, 2086, 2128, 2282, 2384, 2608, 2660, 2831, 2980, 3097, 3260, 3724, 3920, 4172, 4564, 4655, 5215, 5320, 5662, 5705, 5960, 6194, 6520, 7301, 7448, 7987, 8344, 9128, 9310, 10430, 10640, 11324, 11410, 11920, 12388, 13040, 14155, 14602, 14896, 15485, 15974, 16688, 18256, 18620, 19817, 20860, 21679, 22648, 22820, 24287, 24776, 28310, 29204, 30970, 31948, 36505, 37240, 39634, 39935, 41720, 43358, 45296, 45640, 48574, 49552, 56620, 58408, 61940, 63896, 73010, 74480, 79268, 79870, 83440, 86716, 91280, 97148, 99085, 108395, 113240, 116816, 121435, 123880, 127792, 138719, 146020, 151753, 158536, 159740, 170009, 173432, 194296, 198170, 216790, 226480, 242870, 247760, 277438, 292040, 303506, 317072, 319480, 340018, 346864, 388592, 396340, 433580, 461453, 485740, 554876, 584080, 607012, 638960, 680036, 693595, 758765, 792680, 850045, 867160, 922906, 971480, 1109752, 1190063, 1214024, 1360072, 1387190, 1517530, 1585360, 1700090, 1734320, 1845812, 1942960, 2219504, 2307265, 2380126, 2428048, 2720144, 2774380, 3035060, 3230171, 3400180, 3691624, 4614530, 4760252, 5548760, 5950315, 6070120, 6460342, 6800360, 7383248, 9229060, 9520504, 11097520, 11900630, 12140240, 12920684, 13600720, 16150855, 18458120, 19041008, 22611197, 23801260, 25841368, 32301710, 36916240, 45222394, 47602520, 51682736, 64603420, 90444788, 95205040, 113055985, 129206840, 180889576, 226111970, 258413680, 361779152, 452223940, 904447880, 1808895760]

約数ペア:

[(1, 1808895760), (2, 904447880), (4, 452223940), (5, 361779152), (7, 258413680), (8, 226111970), (10, 180889576), (14, 129206840), (16, 113055985), (19, 95205040), (20, 90444788), (28, 64603420), (35, 51682736), (38, 47602520), (40, 45222394), (49, 36916240), (56, 32301710), (70, 25841368), (76, 23801260), (80, 22611197), (95, 19041008), (98, 18458120), (112, 16150855), (133, 13600720), (140, 12920684), (149, 12140240), (152, 11900630), (163, 11097520), (190, 9520504), (196, 9229060), (245, 7383248), (266, 6800360), (280, 6460342), (298, 6070120), (304, 5950315), (326, 5548760), (380, 4760252), (392, 4614530), (490, 3691624), (532, 3400180), (560, 3230171), (596, 3035060), (652, 2774380), (665, 2720144), (745, 2428048), (760, 2380126), (784, 2307265), (815, 2219504), (931, 1942960), (980, 1845812), (1043, 1734320), (1064, 1700090), (1141, 1585360), (1192, 1517530), (1304, 1387190), (1330, 1360072), (1490, 1214024), (1520, 1190063), (1630, 1109752), (1862, 971480), (1960, 922906), (2086, 867160), (2128, 850045), (2282, 792680), (2384, 758765), (2608, 693595), (2660, 680036), (2831, 638960), (2980, 607012), (3097, 584080), (3260, 554876), (3724, 485740), (3920, 461453), (4172, 433580), (4564, 396340), (4655, 388592), (5215, 346864), (5320, 340018), (5662, 319480), (5705, 317072), (5960, 303506), (6194, 292040), (6520, 277438), (7301, 247760), (7448, 242870), (7987, 226480), (8344, 216790), (9128, 198170), (9310, 194296), (10430, 173432), (10640, 170009), (11324, 159740), (11410, 158536), (11920, 151753), (12388, 146020), (13040, 138719), (14155, 127792), (14602, 123880), (14896, 121435), (15485, 116816), (15974, 113240), (16688, 108395), (18256, 99085), (18620, 97148), (19817, 91280), (20860, 86716), (21679, 83440), (22648, 79870), (22820, 79268), (24287, 74480), (24776, 73010), (28310, 63896), (29204, 61940), (30970, 58408), (31948, 56620), (36505, 49552), (37240, 48574), (39634, 45640), (39935, 45296), (41720, 43358)]