26918820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 91203840

約数和(自身を除く): 64285020

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, 463, 510, 570, 612, 646, 684, 765, 855, 926, 969, 1020, 1140, 1292, 1389, 1530, 1615, 1710, 1852, 1938, 2315, 2778, 2907, 3060, 3230, 3420, 3876, 4167, 4630, 4845, 5556, 5814, 6460, 6945, 7871, 8334, 8797, 9260, 9690, 11628, 13890, 14535, 15742, 16668, 17594, 19380, 20835, 23613, 26391, 27780, 29070, 31484, 35188, 39355, 41670, 43985, 47226, 52782, 58140, 70839, 78710, 79173, 83340, 87970, 94452, 105564, 118065, 131955, 141678, 149549, 157420, 158346, 175940, 236130, 263910, 283356, 299098, 316692, 354195, 395865, 448647, 472260, 527820, 598196, 708390, 747745, 791730, 897294, 1345941, 1416780, 1495490, 1583460, 1794588, 2243235, 2691882, 2990980, 4486470, 5383764, 6729705, 8972940, 13459410, 26918820]

約数ペア:

[(1, 26918820), (2, 13459410), (3, 8972940), (4, 6729705), (5, 5383764), (6, 4486470), (9, 2990980), (10, 2691882), (12, 2243235), (15, 1794588), (17, 1583460), (18, 1495490), (19, 1416780), (20, 1345941), (30, 897294), (34, 791730), (36, 747745), (38, 708390), (45, 598196), (51, 527820), (57, 472260), (60, 448647), (68, 395865), (76, 354195), (85, 316692), (90, 299098), (95, 283356), (102, 263910), (114, 236130), (153, 175940), (170, 158346), (171, 157420), (180, 149549), (190, 141678), (204, 131955), (228, 118065), (255, 105564), (285, 94452), (306, 87970), (323, 83340), (340, 79173), (342, 78710), (380, 70839), (463, 58140), (510, 52782), (570, 47226), (612, 43985), (646, 41670), (684, 39355), (765, 35188), (855, 31484), (926, 29070), (969, 27780), (1020, 26391), (1140, 23613), (1292, 20835), (1389, 19380), (1530, 17594), (1615, 16668), (1710, 15742), (1852, 14535), (1938, 13890), (2315, 11628), (2778, 9690), (2907, 9260), (3060, 8797), (3230, 8334), (3420, 7871), (3876, 6945), (4167, 6460), (4630, 5814), (4845, 5556)]