305420220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1222

約数の個数: 240

約数和(自身を含む): 1143571968

約数和(自身を除く): 838151748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 162, 180, 189, 207, 210, 230, 252, 270, 276, 315, 322, 324, 345, 378, 405, 414, 420, 460, 483, 540, 567, 621, 630, 644, 690, 756, 805, 810, 828, 945, 966, 1035, 1134, 1171, 1242, 1260, 1380, 1449, 1610, 1620, 1863, 1890, 1932, 2070, 2268, 2342, 2415, 2484, 2835, 2898, 3105, 3220, 3513, 3726, 3780, 4140, 4347, 4684, 4830, 5670, 5796, 5855, 6210, 7026, 7245, 7452, 8197, 8694, 9315, 9660, 10539, 11340, 11710, 12420, 13041, 14052, 14490, 16394, 17388, 17565, 18630, 21078, 21735, 23420, 24591, 26082, 26933, 28980, 31617, 32788, 35130, 37260, 40985, 42156, 43470, 49182, 52164, 52695, 53866, 63234, 65205, 70260, 73773, 80799, 81970, 86940, 94851, 98364, 105390, 107732, 122955, 126468, 130410, 134665, 147546, 158085, 161598, 163940, 188531, 189702, 210780, 221319, 242397, 245910, 260820, 269330, 295092, 316170, 323196, 368865, 377062, 379404, 403995, 442638, 474255, 484794, 491820, 538660, 565593, 632340, 663957, 727191, 737730, 754124, 807990, 885276, 942655, 948510, 969588, 1106595, 1131186, 1211985, 1327914, 1454382, 1475460, 1615980, 1696779, 1885310, 1897020, 2181573, 2213190, 2262372, 2423970, 2655828, 2827965, 2908764, 3319785, 3393558, 3635955, 3770620, 4363146, 4426380, 4847940, 5090337, 5655930, 6639570, 6787116, 7271910, 8483895, 8726292, 10180674, 10907865, 11311860, 13279140, 14543820, 15271011, 16967790, 20361348, 21815730, 25451685, 30542022, 33935580, 43631460, 50903370, 61084044, 76355055, 101806740, 152710110, 305420220]

約数ペア:

[(1, 305420220), (2, 152710110), (3, 101806740), (4, 76355055), (5, 61084044), (6, 50903370), (7, 43631460), (9, 33935580), (10, 30542022), (12, 25451685), (14, 21815730), (15, 20361348), (18, 16967790), (20, 15271011), (21, 14543820), (23, 13279140), (27, 11311860), (28, 10907865), (30, 10180674), (35, 8726292), (36, 8483895), (42, 7271910), (45, 6787116), (46, 6639570), (54, 5655930), (60, 5090337), (63, 4847940), (69, 4426380), (70, 4363146), (81, 3770620), (84, 3635955), (90, 3393558), (92, 3319785), (105, 2908764), (108, 2827965), (115, 2655828), (126, 2423970), (135, 2262372), (138, 2213190), (140, 2181573), (161, 1897020), (162, 1885310), (180, 1696779), (189, 1615980), (207, 1475460), (210, 1454382), (230, 1327914), (252, 1211985), (270, 1131186), (276, 1106595), (315, 969588), (322, 948510), (324, 942655), (345, 885276), (378, 807990), (405, 754124), (414, 737730), (420, 727191), (460, 663957), (483, 632340), (540, 565593), (567, 538660), (621, 491820), (630, 484794), (644, 474255), (690, 442638), (756, 403995), (805, 379404), (810, 377062), (828, 368865), (945, 323196), (966, 316170), (1035, 295092), (1134, 269330), (1171, 260820), (1242, 245910), (1260, 242397), (1380, 221319), (1449, 210780), (1610, 189702), (1620, 188531), (1863, 163940), (1890, 161598), (1932, 158085), (2070, 147546), (2268, 134665), (2342, 130410), (2415, 126468), (2484, 122955), (2835, 107732), (2898, 105390), (3105, 98364), (3220, 94851), (3513, 86940), (3726, 81970), (3780, 80799), (4140, 73773), (4347, 70260), (4684, 65205), (4830, 63234), (5670, 53866), (5796, 52695), (5855, 52164), (6210, 49182), (7026, 43470), (7245, 42156), (7452, 40985), (8197, 37260), (8694, 35130), (9315, 32788), (9660, 31617), (10539, 28980), (11340, 26933), (11710, 26082), (12420, 24591), (13041, 23420), (14052, 21735), (14490, 21078), (16394, 18630), (17388, 17565)]