17867790

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 128

約数和(自身を含む): 51955200

約数和(自身を除く): 34087410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 43, 45, 54, 57, 81, 86, 90, 95, 114, 129, 135, 162, 171, 190, 215, 243, 258, 270, 285, 342, 387, 405, 430, 486, 513, 570, 645, 729, 774, 810, 817, 855, 1026, 1161, 1215, 1290, 1458, 1539, 1634, 1710, 1935, 2187, 2322, 2430, 2451, 2565, 3078, 3483, 3645, 3870, 4085, 4374, 4617, 4902, 5130, 5805, 6966, 7290, 7353, 7695, 8170, 9234, 10449, 10935, 11610, 12255, 13851, 14706, 15390, 17415, 20898, 21870, 22059, 23085, 24510, 27702, 31347, 34830, 36765, 41553, 44118, 46170, 52245, 62694, 66177, 69255, 73530, 83106, 94041, 104490, 110295, 132354, 138510, 156735, 188082, 198531, 207765, 220590, 313470, 330885, 397062, 415530, 470205, 595593, 661770, 940410, 992655, 1191186, 1786779, 1985310, 2977965, 3573558, 5955930, 8933895, 17867790]

約数ペア:

[(1, 17867790), (2, 8933895), (3, 5955930), (5, 3573558), (6, 2977965), (9, 1985310), (10, 1786779), (15, 1191186), (18, 992655), (19, 940410), (27, 661770), (30, 595593), (38, 470205), (43, 415530), (45, 397062), (54, 330885), (57, 313470), (81, 220590), (86, 207765), (90, 198531), (95, 188082), (114, 156735), (129, 138510), (135, 132354), (162, 110295), (171, 104490), (190, 94041), (215, 83106), (243, 73530), (258, 69255), (270, 66177), (285, 62694), (342, 52245), (387, 46170), (405, 44118), (430, 41553), (486, 36765), (513, 34830), (570, 31347), (645, 27702), (729, 24510), (774, 23085), (810, 22059), (817, 21870), (855, 20898), (1026, 17415), (1161, 15390), (1215, 14706), (1290, 13851), (1458, 12255), (1539, 11610), (1634, 10935), (1710, 10449), (1935, 9234), (2187, 8170), (2322, 7695), (2430, 7353), (2451, 7290), (2565, 6966), (3078, 5805), (3483, 5130), (3645, 4902), (3870, 4617), (4085, 4374)]