74942460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1340

約数の個数: 144

約数和(自身を含む): 253562400

約数和(自身を除く): 178619940

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, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1289, 1292, 1530, 1615, 1710, 1938, 2578, 2907, 3060, 3230, 3420, 3867, 3876, 4845, 5156, 5814, 6445, 6460, 7734, 9690, 11601, 11628, 12890, 14535, 15468, 19335, 19380, 21913, 23202, 24491, 25780, 29070, 38670, 43826, 46404, 48982, 58005, 58140, 65739, 73473, 77340, 87652, 97964, 109565, 116010, 122455, 131478, 146946, 197217, 219130, 220419, 232020, 244910, 262956, 293892, 328695, 367365, 394434, 416347, 438260, 440838, 489820, 657390, 734730, 788868, 832694, 881676, 986085, 1102095, 1249041, 1314780, 1469460, 1665388, 1972170, 2081735, 2204190, 2498082, 3747123, 3944340, 4163470, 4408380, 4996164, 6245205, 7494246, 8326940, 12490410, 14988492, 18735615, 24980820, 37471230, 74942460]

約数ペア:

[(1, 74942460), (2, 37471230), (3, 24980820), (4, 18735615), (5, 14988492), (6, 12490410), (9, 8326940), (10, 7494246), (12, 6245205), (15, 4996164), (17, 4408380), (18, 4163470), (19, 3944340), (20, 3747123), (30, 2498082), (34, 2204190), (36, 2081735), (38, 1972170), (45, 1665388), (51, 1469460), (57, 1314780), (60, 1249041), (68, 1102095), (76, 986085), (85, 881676), (90, 832694), (95, 788868), (102, 734730), (114, 657390), (153, 489820), (170, 440838), (171, 438260), (180, 416347), (190, 394434), (204, 367365), (228, 328695), (255, 293892), (285, 262956), (306, 244910), (323, 232020), (340, 220419), (342, 219130), (380, 197217), (510, 146946), (570, 131478), (612, 122455), (646, 116010), (684, 109565), (765, 97964), (855, 87652), (969, 77340), (1020, 73473), (1140, 65739), (1289, 58140), (1292, 58005), (1530, 48982), (1615, 46404), (1710, 43826), (1938, 38670), (2578, 29070), (2907, 25780), (3060, 24491), (3230, 23202), (3420, 21913), (3867, 19380), (3876, 19335), (4845, 15468), (5156, 14535), (5814, 12890), (6445, 11628), (6460, 11601), (7734, 9690)]