128780280

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13249}}^1$

素因数の和:13275

約数の個数: 96

約数和(自身を含む): 434070000

約数和(自身を除く): 305289720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 13249, 26498, 39747, 52996, 66245, 79494, 105992, 119241, 132490, 158988, 198735, 238482, 264980, 317976, 357723, 397470, 476964, 529960, 596205, 715446, 794940, 953928, 1073169, 1192410, 1430892, 1589880, 1788615, 2146338, 2384820, 2861784, 3219507, 3577230, 4292676, 4769640, 5365845, 6439014, 7154460, 8585352, 10731690, 12878028, 14308920, 16097535, 21463380, 25756056, 32195070, 42926760, 64390140, 128780280]

約数ペア:

[(1, 128780280), (2, 64390140), (3, 42926760), (4, 32195070), (5, 25756056), (6, 21463380), (8, 16097535), (9, 14308920), (10, 12878028), (12, 10731690), (15, 8585352), (18, 7154460), (20, 6439014), (24, 5365845), (27, 4769640), (30, 4292676), (36, 3577230), (40, 3219507), (45, 2861784), (54, 2384820), (60, 2146338), (72, 1788615), (81, 1589880), (90, 1430892), (108, 1192410), (120, 1073169), (135, 953928), (162, 794940), (180, 715446), (216, 596205), (243, 529960), (270, 476964), (324, 397470), (360, 357723), (405, 317976), (486, 264980), (540, 238482), (648, 198735), (810, 158988), (972, 132490), (1080, 119241), (1215, 105992), (1620, 79494), (1944, 66245), (2430, 52996), (3240, 39747), (4860, 26498), (9720, 13249)]