30407220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 102997440

約数和(自身を除く): 72590220

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, 523, 570, 612, 646, 684, 765, 855, 969, 1020, 1046, 1140, 1292, 1530, 1569, 1615, 1710, 1938, 2092, 2615, 2907, 3060, 3138, 3230, 3420, 3876, 4707, 4845, 5230, 5814, 6276, 6460, 7845, 8891, 9414, 9690, 9937, 10460, 11628, 14535, 15690, 17782, 18828, 19380, 19874, 23535, 26673, 29070, 29811, 31380, 35564, 39748, 44455, 47070, 49685, 53346, 58140, 59622, 80019, 88910, 89433, 94140, 99370, 106692, 119244, 133365, 149055, 160038, 168929, 177820, 178866, 198740, 266730, 298110, 320076, 337858, 357732, 400095, 447165, 506787, 533460, 596220, 675716, 800190, 844645, 894330, 1013574, 1520361, 1600380, 1689290, 1788660, 2027148, 2533935, 3040722, 3378580, 5067870, 6081444, 7601805, 10135740, 15203610, 30407220]

約数ペア:

[(1, 30407220), (2, 15203610), (3, 10135740), (4, 7601805), (5, 6081444), (6, 5067870), (9, 3378580), (10, 3040722), (12, 2533935), (15, 2027148), (17, 1788660), (18, 1689290), (19, 1600380), (20, 1520361), (30, 1013574), (34, 894330), (36, 844645), (38, 800190), (45, 675716), (51, 596220), (57, 533460), (60, 506787), (68, 447165), (76, 400095), (85, 357732), (90, 337858), (95, 320076), (102, 298110), (114, 266730), (153, 198740), (170, 178866), (171, 177820), (180, 168929), (190, 160038), (204, 149055), (228, 133365), (255, 119244), (285, 106692), (306, 99370), (323, 94140), (340, 89433), (342, 88910), (380, 80019), (510, 59622), (523, 58140), (570, 53346), (612, 49685), (646, 47070), (684, 44455), (765, 39748), (855, 35564), (969, 31380), (1020, 29811), (1046, 29070), (1140, 26673), (1292, 23535), (1530, 19874), (1569, 19380), (1615, 18828), (1710, 17782), (1938, 15690), (2092, 14535), (2615, 11628), (2907, 10460), (3060, 9937), (3138, 9690), (3230, 9414), (3420, 8891), (3876, 7845), (4707, 6460), (4845, 6276), (5230, 5814)]