138896460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2440

約数の個数: 144

約数和(自身を含む): 469778400

約数和(自身を除く): 330881940

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, 1292, 1530, 1615, 1710, 1938, 2389, 2907, 3060, 3230, 3420, 3876, 4778, 4845, 5814, 6460, 7167, 9556, 9690, 11628, 11945, 14334, 14535, 19380, 21501, 23890, 28668, 29070, 35835, 40613, 43002, 45391, 47780, 58140, 71670, 81226, 86004, 90782, 107505, 121839, 136173, 143340, 162452, 181564, 203065, 215010, 226955, 243678, 272346, 365517, 406130, 408519, 430020, 453910, 487356, 544692, 609195, 680865, 731034, 771647, 812260, 817038, 907820, 1218390, 1361730, 1462068, 1543294, 1634076, 1827585, 2042595, 2314941, 2436780, 2723460, 3086588, 3655170, 3858235, 4085190, 4629882, 6944823, 7310340, 7716470, 8170380, 9259764, 11574705, 13889646, 15432940, 23149410, 27779292, 34724115, 46298820, 69448230, 138896460]

約数ペア:

[(1, 138896460), (2, 69448230), (3, 46298820), (4, 34724115), (5, 27779292), (6, 23149410), (9, 15432940), (10, 13889646), (12, 11574705), (15, 9259764), (17, 8170380), (18, 7716470), (19, 7310340), (20, 6944823), (30, 4629882), (34, 4085190), (36, 3858235), (38, 3655170), (45, 3086588), (51, 2723460), (57, 2436780), (60, 2314941), (68, 2042595), (76, 1827585), (85, 1634076), (90, 1543294), (95, 1462068), (102, 1361730), (114, 1218390), (153, 907820), (170, 817038), (171, 812260), (180, 771647), (190, 731034), (204, 680865), (228, 609195), (255, 544692), (285, 487356), (306, 453910), (323, 430020), (340, 408519), (342, 406130), (380, 365517), (510, 272346), (570, 243678), (612, 226955), (646, 215010), (684, 203065), (765, 181564), (855, 162452), (969, 143340), (1020, 136173), (1140, 121839), (1292, 107505), (1530, 90782), (1615, 86004), (1710, 81226), (1938, 71670), (2389, 58140), (2907, 47780), (3060, 45391), (3230, 43002), (3420, 40613), (3876, 35835), (4778, 29070), (4845, 28668), (5814, 23890), (6460, 21501), (7167, 19380), (9556, 14535), (9690, 14334), (11628, 11945)]