23081580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 78230880

約数和(自身を除く): 55149300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 397, 510, 570, 612, 646, 684, 765, 794, 855, 969, 1020, 1140, 1191, 1292, 1530, 1588, 1615, 1710, 1938, 1985, 2382, 2907, 3060, 3230, 3420, 3573, 3876, 3970, 4764, 4845, 5814, 5955, 6460, 6749, 7146, 7543, 7940, 9690, 11628, 11910, 13498, 14292, 14535, 15086, 17865, 19380, 20247, 22629, 23820, 26996, 29070, 30172, 33745, 35730, 37715, 40494, 45258, 58140, 60741, 67490, 67887, 71460, 75430, 80988, 90516, 101235, 113145, 121482, 128231, 134980, 135774, 150860, 202470, 226290, 242964, 256462, 271548, 303705, 339435, 384693, 404940, 452580, 512924, 607410, 641155, 678870, 769386, 1154079, 1214820, 1282310, 1357740, 1538772, 1923465, 2308158, 2564620, 3846930, 4616316, 5770395, 7693860, 11540790, 23081580]

約数ペア:

[(1, 23081580), (2, 11540790), (3, 7693860), (4, 5770395), (5, 4616316), (6, 3846930), (9, 2564620), (10, 2308158), (12, 1923465), (15, 1538772), (17, 1357740), (18, 1282310), (19, 1214820), (20, 1154079), (30, 769386), (34, 678870), (36, 641155), (38, 607410), (45, 512924), (51, 452580), (57, 404940), (60, 384693), (68, 339435), (76, 303705), (85, 271548), (90, 256462), (95, 242964), (102, 226290), (114, 202470), (153, 150860), (170, 135774), (171, 134980), (180, 128231), (190, 121482), (204, 113145), (228, 101235), (255, 90516), (285, 80988), (306, 75430), (323, 71460), (340, 67887), (342, 67490), (380, 60741), (397, 58140), (510, 45258), (570, 40494), (612, 37715), (646, 35730), (684, 33745), (765, 30172), (794, 29070), (855, 26996), (969, 23820), (1020, 22629), (1140, 20247), (1191, 19380), (1292, 17865), (1530, 15086), (1588, 14535), (1615, 14292), (1710, 13498), (1938, 11910), (1985, 11628), (2382, 9690), (2907, 7940), (3060, 7543), (3230, 7146), (3420, 6749), (3573, 6460), (3876, 5955), (3970, 5814), (4764, 4845)]