820019700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1604

約数の個数: 180

約数和(自身を含む): 2699639712

約数和(自身を除く): 1879620012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 67, 75, 81, 90, 100, 108, 134, 135, 150, 162, 180, 201, 225, 268, 270, 300, 324, 335, 402, 405, 450, 540, 603, 670, 675, 804, 810, 900, 1005, 1206, 1340, 1350, 1511, 1620, 1675, 1809, 2010, 2025, 2412, 2700, 3015, 3022, 3350, 3618, 4020, 4050, 4533, 5025, 5427, 6030, 6044, 6700, 7236, 7555, 8100, 9045, 9066, 10050, 10854, 12060, 13599, 15075, 15110, 18090, 18132, 20100, 21708, 22665, 27135, 27198, 30150, 30220, 36180, 37775, 40797, 45225, 45330, 54270, 54396, 60300, 67995, 75550, 81594, 90450, 90660, 101237, 108540, 113325, 122391, 135675, 135990, 151100, 163188, 180900, 202474, 203985, 226650, 244782, 271350, 271980, 303711, 339975, 404948, 407970, 453300, 489564, 506185, 542700, 607422, 611955, 679950, 815940, 911133, 1012370, 1019925, 1214844, 1223910, 1359900, 1518555, 1822266, 2024740, 2039850, 2447820, 2530925, 2733399, 3037110, 3059775, 3644532, 4079700, 4555665, 5061850, 5466798, 6074220, 6119550, 7592775, 8200197, 9111330, 10123700, 10933596, 12239100, 13666995, 15185550, 16400394, 18222660, 22778325, 27333990, 30371100, 32800788, 41000985, 45556650, 54667980, 68334975, 82001970, 91113300, 136669950, 164003940, 205004925, 273339900, 410009850, 820019700]

約数ペア:

[(1, 820019700), (2, 410009850), (3, 273339900), (4, 205004925), (5, 164003940), (6, 136669950), (9, 91113300), (10, 82001970), (12, 68334975), (15, 54667980), (18, 45556650), (20, 41000985), (25, 32800788), (27, 30371100), (30, 27333990), (36, 22778325), (45, 18222660), (50, 16400394), (54, 15185550), (60, 13666995), (67, 12239100), (75, 10933596), (81, 10123700), (90, 9111330), (100, 8200197), (108, 7592775), (134, 6119550), (135, 6074220), (150, 5466798), (162, 5061850), (180, 4555665), (201, 4079700), (225, 3644532), (268, 3059775), (270, 3037110), (300, 2733399), (324, 2530925), (335, 2447820), (402, 2039850), (405, 2024740), (450, 1822266), (540, 1518555), (603, 1359900), (670, 1223910), (675, 1214844), (804, 1019925), (810, 1012370), (900, 911133), (1005, 815940), (1206, 679950), (1340, 611955), (1350, 607422), (1511, 542700), (1620, 506185), (1675, 489564), (1809, 453300), (2010, 407970), (2025, 404948), (2412, 339975), (2700, 303711), (3015, 271980), (3022, 271350), (3350, 244782), (3618, 226650), (4020, 203985), (4050, 202474), (4533, 180900), (5025, 163188), (5427, 151100), (6030, 135990), (6044, 135675), (6700, 122391), (7236, 113325), (7555, 108540), (8100, 101237), (9045, 90660), (9066, 90450), (10050, 81594), (10854, 75550), (12060, 67995), (13599, 60300), (15075, 54396), (15110, 54270), (18090, 45330), (18132, 45225), (20100, 40797), (21708, 37775), (22665, 36180), (27135, 30220), (27198, 30150)]