72157890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 203295744

約数和(自身を除く): 131137854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 191, 210, 245, 257, 294, 382, 490, 514, 573, 735, 771, 955, 1146, 1285, 1337, 1470, 1542, 1799, 1910, 2570, 2674, 2865, 3598, 3855, 4011, 5397, 5730, 6685, 7710, 8022, 8995, 9359, 10794, 12593, 13370, 17990, 18718, 20055, 25186, 26985, 28077, 37779, 40110, 46795, 49087, 53970, 56154, 62965, 75558, 93590, 98174, 125930, 140385, 147261, 188895, 245435, 280770, 294522, 343609, 377790, 490870, 687218, 736305, 1030827, 1472610, 1718045, 2061654, 2405263, 3436090, 4810526, 5154135, 7215789, 10308270, 12026315, 14431578, 24052630, 36078945, 72157890]

約数ペア:

[(1, 72157890), (2, 36078945), (3, 24052630), (5, 14431578), (6, 12026315), (7, 10308270), (10, 7215789), (14, 5154135), (15, 4810526), (21, 3436090), (30, 2405263), (35, 2061654), (42, 1718045), (49, 1472610), (70, 1030827), (98, 736305), (105, 687218), (147, 490870), (191, 377790), (210, 343609), (245, 294522), (257, 280770), (294, 245435), (382, 188895), (490, 147261), (514, 140385), (573, 125930), (735, 98174), (771, 93590), (955, 75558), (1146, 62965), (1285, 56154), (1337, 53970), (1470, 49087), (1542, 46795), (1799, 40110), (1910, 37779), (2570, 28077), (2674, 26985), (2865, 25186), (3598, 20055), (3855, 18718), (4011, 17990), (5397, 13370), (5730, 12593), (6685, 10794), (7710, 9359), (8022, 8995)]