261459900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 270

約数和(自身を含む): 922565952

約数和(自身を除く): 661106052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 130, 135, 150, 156, 162, 169, 180, 191, 195, 225, 234, 260, 270, 300, 324, 325, 338, 351, 382, 390, 405, 450, 468, 507, 540, 573, 585, 650, 675, 676, 702, 764, 780, 810, 845, 900, 955, 975, 1014, 1053, 1146, 1170, 1300, 1350, 1404, 1521, 1620, 1690, 1719, 1755, 1910, 1950, 2025, 2028, 2106, 2292, 2340, 2483, 2535, 2700, 2865, 2925, 3042, 3380, 3438, 3510, 3820, 3900, 4050, 4212, 4225, 4563, 4775, 4966, 5070, 5157, 5265, 5730, 5850, 6084, 6876, 7020, 7449, 7605, 8100, 8450, 8595, 8775, 9126, 9550, 9932, 10140, 10314, 10530, 11460, 11700, 12415, 12675, 13689, 14325, 14898, 15210, 15471, 16900, 17190, 17550, 18252, 19100, 20628, 21060, 22347, 22815, 24830, 25350, 25785, 26325, 27378, 28650, 29796, 30420, 30942, 32279, 34380, 35100, 37245, 38025, 42975, 44694, 45630, 49660, 50700, 51570, 52650, 54756, 57300, 61884, 62075, 64558, 67041, 68445, 74490, 76050, 77355, 85950, 89388, 91260, 96837, 103140, 105300, 111735, 114075, 124150, 128925, 129116, 134082, 136890, 148980, 152100, 154710, 161395, 171900, 186225, 193674, 201123, 223470, 228150, 248300, 257850, 268164, 273780, 290511, 309420, 322790, 335205, 342225, 372450, 386775, 387348, 402246, 446940, 456300, 484185, 515700, 558675, 581022, 645580, 670410, 684450, 744900, 773550, 804492, 806975, 871533, 968370, 1005615, 1117350, 1162044, 1340820, 1368900, 1452555, 1547100, 1613950, 1676025, 1743066, 1936740, 2011230, 2234700, 2420925, 2614599, 2905110, 3227900, 3352050, 3486132, 4022460, 4357665, 4841850, 5028075, 5229198, 5810220, 6704100, 7262775, 8715330, 9683700, 10056150, 10458396, 13072995, 14525550, 17430660, 20112300, 21788325, 26145990, 29051100, 43576650, 52291980, 65364975, 87153300, 130729950, 261459900]

約数ペア:

[(1, 261459900), (2, 130729950), (3, 87153300), (4, 65364975), (5, 52291980), (6, 43576650), (9, 29051100), (10, 26145990), (12, 21788325), (13, 20112300), (15, 17430660), (18, 14525550), (20, 13072995), (25, 10458396), (26, 10056150), (27, 9683700), (30, 8715330), (36, 7262775), (39, 6704100), (45, 5810220), (50, 5229198), (52, 5028075), (54, 4841850), (60, 4357665), (65, 4022460), (75, 3486132), (78, 3352050), (81, 3227900), (90, 2905110), (100, 2614599), (108, 2420925), (117, 2234700), (130, 2011230), (135, 1936740), (150, 1743066), (156, 1676025), (162, 1613950), (169, 1547100), (180, 1452555), (191, 1368900), (195, 1340820), (225, 1162044), (234, 1117350), (260, 1005615), (270, 968370), (300, 871533), (324, 806975), (325, 804492), (338, 773550), (351, 744900), (382, 684450), (390, 670410), (405, 645580), (450, 581022), (468, 558675), (507, 515700), (540, 484185), (573, 456300), (585, 446940), (650, 402246), (675, 387348), (676, 386775), (702, 372450), (764, 342225), (780, 335205), (810, 322790), (845, 309420), (900, 290511), (955, 273780), (975, 268164), (1014, 257850), (1053, 248300), (1146, 228150), (1170, 223470), (1300, 201123), (1350, 193674), (1404, 186225), (1521, 171900), (1620, 161395), (1690, 154710), (1719, 152100), (1755, 148980), (1910, 136890), (1950, 134082), (2025, 129116), (2028, 128925), (2106, 124150), (2292, 114075), (2340, 111735), (2483, 105300), (2535, 103140), (2700, 96837), (2865, 91260), (2925, 89388), (3042, 85950), (3380, 77355), (3438, 76050), (3510, 74490), (3820, 68445), (3900, 67041), (4050, 64558), (4212, 62075), (4225, 61884), (4563, 57300), (4775, 54756), (4966, 52650), (5070, 51570), (5157, 50700), (5265, 49660), (5730, 45630), (5850, 44694), (6084, 42975), (6876, 38025), (7020, 37245), (7449, 35100), (7605, 34380), (8100, 32279), (8450, 30942), (8595, 30420), (8775, 29796), (9126, 28650), (9550, 27378), (9932, 26325), (10140, 25785), (10314, 25350), (10530, 24830), (11460, 22815), (11700, 22347), (12415, 21060), (12675, 20628), (13689, 19100), (14325, 18252), (14898, 17550), (15210, 17190), (15471, 16900)]