71843940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3001}}^1$

素因数の和:3042

約数の個数: 144

約数和(自身を含む): 262254720

約数和(自身を除く): 190410780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3001, 3420, 3990, 4788, 5985, 6002, 7980, 9003, 11970, 12004, 15005, 18006, 21007, 23940, 27009, 30010, 36012, 42014, 45015, 54018, 57019, 60020, 63021, 84028, 90030, 105035, 108036, 114038, 126042, 135045, 171057, 180060, 189063, 210070, 228076, 252084, 270090, 285095, 315105, 342114, 378126, 399133, 420140, 513171, 540180, 570190, 630210, 684228, 756252, 798266, 855285, 945315, 1026342, 1140380, 1197399, 1260420, 1596532, 1710570, 1890630, 1995665, 2052684, 2394798, 2565855, 3421140, 3592197, 3781260, 3991330, 4789596, 5131710, 5986995, 7184394, 7982660, 10263420, 11973990, 14368788, 17960985, 23947980, 35921970, 71843940]

約数ペア:

[(1, 71843940), (2, 35921970), (3, 23947980), (4, 17960985), (5, 14368788), (6, 11973990), (7, 10263420), (9, 7982660), (10, 7184394), (12, 5986995), (14, 5131710), (15, 4789596), (18, 3991330), (19, 3781260), (20, 3592197), (21, 3421140), (28, 2565855), (30, 2394798), (35, 2052684), (36, 1995665), (38, 1890630), (42, 1710570), (45, 1596532), (57, 1260420), (60, 1197399), (63, 1140380), (70, 1026342), (76, 945315), (84, 855285), (90, 798266), (95, 756252), (105, 684228), (114, 630210), (126, 570190), (133, 540180), (140, 513171), (171, 420140), (180, 399133), (190, 378126), (210, 342114), (228, 315105), (252, 285095), (266, 270090), (285, 252084), (315, 228076), (342, 210070), (380, 189063), (399, 180060), (420, 171057), (532, 135045), (570, 126042), (630, 114038), (665, 108036), (684, 105035), (798, 90030), (855, 84028), (1140, 63021), (1197, 60020), (1260, 57019), (1330, 54018), (1596, 45015), (1710, 42014), (1995, 36012), (2394, 30010), (2660, 27009), (3001, 23940), (3420, 21007), (3990, 18006), (4788, 15005), (5985, 12004), (6002, 11970), (7980, 9003)]