28057140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 92343888

約数和(自身を除く): 64286748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 53, 60, 68, 85, 90, 102, 106, 153, 159, 170, 173, 180, 204, 212, 255, 265, 306, 318, 340, 346, 477, 510, 519, 530, 612, 636, 692, 765, 795, 865, 901, 954, 1020, 1038, 1060, 1530, 1557, 1590, 1730, 1802, 1908, 2076, 2385, 2595, 2703, 2941, 3060, 3114, 3180, 3460, 3604, 4505, 4770, 5190, 5406, 5882, 6228, 7785, 8109, 8823, 9010, 9169, 9540, 10380, 10812, 11764, 13515, 14705, 15570, 16218, 17646, 18020, 18338, 26469, 27030, 27507, 29410, 31140, 32436, 35292, 36676, 40545, 44115, 45845, 52938, 54060, 55014, 58820, 81090, 82521, 88230, 91690, 105876, 110028, 132345, 137535, 155873, 162180, 165042, 176460, 183380, 264690, 275070, 311746, 330084, 412605, 467619, 529380, 550140, 623492, 779365, 825210, 935238, 1402857, 1558730, 1650420, 1870476, 2338095, 2805714, 3117460, 4676190, 5611428, 7014285, 9352380, 14028570, 28057140]

約数ペア:

[(1, 28057140), (2, 14028570), (3, 9352380), (4, 7014285), (5, 5611428), (6, 4676190), (9, 3117460), (10, 2805714), (12, 2338095), (15, 1870476), (17, 1650420), (18, 1558730), (20, 1402857), (30, 935238), (34, 825210), (36, 779365), (45, 623492), (51, 550140), (53, 529380), (60, 467619), (68, 412605), (85, 330084), (90, 311746), (102, 275070), (106, 264690), (153, 183380), (159, 176460), (170, 165042), (173, 162180), (180, 155873), (204, 137535), (212, 132345), (255, 110028), (265, 105876), (306, 91690), (318, 88230), (340, 82521), (346, 81090), (477, 58820), (510, 55014), (519, 54060), (530, 52938), (612, 45845), (636, 44115), (692, 40545), (765, 36676), (795, 35292), (865, 32436), (901, 31140), (954, 29410), (1020, 27507), (1038, 27030), (1060, 26469), (1530, 18338), (1557, 18020), (1590, 17646), (1730, 16218), (1802, 15570), (1908, 14705), (2076, 13515), (2385, 11764), (2595, 10812), (2703, 10380), (2941, 9540), (3060, 9169), (3114, 9010), (3180, 8823), (3460, 8109), (3604, 7785), (4505, 6228), (4770, 5882), (5190, 5406)]