654996780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 2071829760

約数和(自身を除く): 1416832980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 307, 324, 405, 439, 486, 540, 614, 810, 878, 921, 972, 1215, 1228, 1317, 1535, 1620, 1756, 1842, 2195, 2430, 2634, 2763, 3070, 3684, 3951, 4390, 4605, 4860, 5268, 5526, 6140, 6585, 7902, 8289, 8780, 9210, 11052, 11853, 13170, 13815, 15804, 16578, 18420, 19755, 23706, 24867, 26340, 27630, 33156, 35559, 39510, 41445, 47412, 49734, 55260, 59265, 71118, 74601, 79020, 82890, 99468, 106677, 118530, 124335, 134773, 142236, 149202, 165780, 177795, 213354, 237060, 248670, 269546, 298404, 355590, 373005, 404319, 426708, 497340, 533385, 539092, 673865, 711180, 746010, 808638, 1066770, 1212957, 1347730, 1492020, 1617276, 2021595, 2133540, 2425914, 2695460, 3638871, 4043190, 4851828, 6064785, 7277742, 8086380, 10916613, 12129570, 14555484, 18194355, 21833226, 24259140, 32749839, 36388710, 43666452, 54583065, 65499678, 72777420, 109166130, 130999356, 163749195, 218332260, 327498390, 654996780]

約数ペア:

[(1, 654996780), (2, 327498390), (3, 218332260), (4, 163749195), (5, 130999356), (6, 109166130), (9, 72777420), (10, 65499678), (12, 54583065), (15, 43666452), (18, 36388710), (20, 32749839), (27, 24259140), (30, 21833226), (36, 18194355), (45, 14555484), (54, 12129570), (60, 10916613), (81, 8086380), (90, 7277742), (108, 6064785), (135, 4851828), (162, 4043190), (180, 3638871), (243, 2695460), (270, 2425914), (307, 2133540), (324, 2021595), (405, 1617276), (439, 1492020), (486, 1347730), (540, 1212957), (614, 1066770), (810, 808638), (878, 746010), (921, 711180), (972, 673865), (1215, 539092), (1228, 533385), (1317, 497340), (1535, 426708), (1620, 404319), (1756, 373005), (1842, 355590), (2195, 298404), (2430, 269546), (2634, 248670), (2763, 237060), (3070, 213354), (3684, 177795), (3951, 165780), (4390, 149202), (4605, 142236), (4860, 134773), (5268, 124335), (5526, 118530), (6140, 106677), (6585, 99468), (7902, 82890), (8289, 79020), (8780, 74601), (9210, 71118), (11052, 59265), (11853, 55260), (13170, 49734), (13815, 47412), (15804, 41445), (16578, 39510), (18420, 35559), (19755, 33156), (23706, 27630), (24867, 26340)]