1720007730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6947}}^1$

素因数の和:7101

約数の個数: 128

約数和(自身を含む): 5282703360

約数和(自身を除く): 3562695630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 131, 135, 189, 210, 262, 270, 315, 378, 393, 630, 655, 786, 917, 945, 1179, 1310, 1834, 1890, 1965, 2358, 2751, 3537, 3930, 4585, 5502, 5895, 6947, 7074, 8253, 9170, 11790, 13755, 13894, 16506, 17685, 20841, 24759, 27510, 34735, 35370, 41265, 41682, 48629, 49518, 62523, 69470, 82530, 97258, 104205, 123795, 125046, 145887, 187569, 208410, 243145, 247590, 291774, 312615, 375138, 437661, 486290, 625230, 729435, 875322, 910057, 937845, 1312983, 1458870, 1820114, 1875690, 2188305, 2625966, 2730171, 4376610, 4550285, 5460342, 6370399, 6564915, 8190513, 9100570, 12740798, 13129830, 13650855, 16381026, 19111197, 24571539, 27301710, 31851995, 38222394, 40952565, 49143078, 57333591, 63703990, 81905130, 95555985, 114667182, 122857695, 172000773, 191111970, 245715390, 286667955, 344001546, 573335910, 860003865, 1720007730]

約数ペア:

[(1, 1720007730), (2, 860003865), (3, 573335910), (5, 344001546), (6, 286667955), (7, 245715390), (9, 191111970), (10, 172000773), (14, 122857695), (15, 114667182), (18, 95555985), (21, 81905130), (27, 63703990), (30, 57333591), (35, 49143078), (42, 40952565), (45, 38222394), (54, 31851995), (63, 27301710), (70, 24571539), (90, 19111197), (105, 16381026), (126, 13650855), (131, 13129830), (135, 12740798), (189, 9100570), (210, 8190513), (262, 6564915), (270, 6370399), (315, 5460342), (378, 4550285), (393, 4376610), (630, 2730171), (655, 2625966), (786, 2188305), (917, 1875690), (945, 1820114), (1179, 1458870), (1310, 1312983), (1834, 937845), (1890, 910057), (1965, 875322), (2358, 729435), (2751, 625230), (3537, 486290), (3930, 437661), (4585, 375138), (5502, 312615), (5895, 291774), (6947, 247590), (7074, 243145), (8253, 208410), (9170, 187569), (11790, 145887), (13755, 125046), (13894, 123795), (16506, 104205), (17685, 97258), (20841, 82530), (24759, 69470), (27510, 62523), (34735, 49518), (35370, 48629), (41265, 41682)]