19781693040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{3691}}^1$

素因数の和:4007

約数の個数: 160

約数和(自身を含む): 62166663936

約数和(自身を除く): 42384970896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 163, 240, 274, 326, 411, 489, 548, 652, 685, 815, 822, 978, 1096, 1304, 1370, 1630, 1644, 1956, 2055, 2192, 2445, 2608, 2740, 3260, 3288, 3691, 3912, 4110, 4890, 5480, 6520, 6576, 7382, 7824, 8220, 9780, 10960, 11073, 13040, 14764, 16440, 18455, 19560, 22146, 22331, 29528, 32880, 36910, 39120, 44292, 44662, 55365, 59056, 66993, 73820, 88584, 89324, 110730, 111655, 133986, 147640, 177168, 178648, 221460, 223310, 267972, 295280, 334965, 357296, 442920, 446620, 505667, 535944, 601633, 669930, 885840, 893240, 1011334, 1071888, 1203266, 1339860, 1517001, 1786480, 1804899, 2022668, 2406532, 2528335, 2679720, 3008165, 3034002, 3609798, 4045336, 4813064, 5056670, 5359440, 6016330, 6068004, 7219596, 7585005, 8090672, 9024495, 9626128, 10113340, 12032660, 12136008, 14439192, 15170010, 18048990, 20226680, 24065320, 24272016, 28878384, 30340020, 36097980, 40453360, 48130640, 60680040, 72195960, 82423721, 121360080, 144391920, 164847442, 247271163, 329694884, 412118605, 494542326, 659389768, 824237210, 989084652, 1236355815, 1318779536, 1648474420, 1978169304, 2472711630, 3296948840, 3956338608, 4945423260, 6593897680, 9890846520, 19781693040]

約数ペア:

[(1, 19781693040), (2, 9890846520), (3, 6593897680), (4, 4945423260), (5, 3956338608), (6, 3296948840), (8, 2472711630), (10, 1978169304), (12, 1648474420), (15, 1318779536), (16, 1236355815), (20, 989084652), (24, 824237210), (30, 659389768), (40, 494542326), (48, 412118605), (60, 329694884), (80, 247271163), (120, 164847442), (137, 144391920), (163, 121360080), (240, 82423721), (274, 72195960), (326, 60680040), (411, 48130640), (489, 40453360), (548, 36097980), (652, 30340020), (685, 28878384), (815, 24272016), (822, 24065320), (978, 20226680), (1096, 18048990), (1304, 15170010), (1370, 14439192), (1630, 12136008), (1644, 12032660), (1956, 10113340), (2055, 9626128), (2192, 9024495), (2445, 8090672), (2608, 7585005), (2740, 7219596), (3260, 6068004), (3288, 6016330), (3691, 5359440), (3912, 5056670), (4110, 4813064), (4890, 4045336), (5480, 3609798), (6520, 3034002), (6576, 3008165), (7382, 2679720), (7824, 2528335), (8220, 2406532), (9780, 2022668), (10960, 1804899), (11073, 1786480), (13040, 1517001), (14764, 1339860), (16440, 1203266), (18455, 1071888), (19560, 1011334), (22146, 893240), (22331, 885840), (29528, 669930), (32880, 601633), (36910, 535944), (39120, 505667), (44292, 446620), (44662, 442920), (55365, 357296), (59056, 334965), (66993, 295280), (73820, 267972), (88584, 223310), (89324, 221460), (110730, 178648), (111655, 177168), (133986, 147640)]