2016185720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1425

約数の個数: 128

約数和(自身を含む): 5011554240

約数和(自身を除く): 2995368520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 53, 68, 85, 86, 106, 136, 170, 172, 212, 215, 265, 340, 344, 424, 430, 530, 680, 731, 860, 901, 1060, 1301, 1462, 1720, 1802, 2120, 2279, 2602, 2924, 3604, 3655, 4505, 4558, 5204, 5848, 6505, 7208, 7310, 9010, 9116, 10408, 11395, 13010, 14620, 18020, 18232, 22117, 22790, 26020, 29240, 36040, 38743, 44234, 45580, 52040, 55943, 68953, 77486, 88468, 91160, 110585, 111886, 137906, 154972, 176936, 193715, 221170, 223772, 275812, 279715, 309944, 344765, 387430, 442340, 447544, 551624, 559430, 689530, 774860, 884680, 951031, 1118860, 1172201, 1379060, 1549720, 1902062, 2237720, 2344402, 2758120, 2964979, 3804124, 4688804, 4755155, 5861005, 5929958, 7608248, 9377608, 9510310, 11722010, 11859916, 14824895, 19020620, 23444020, 23719832, 29649790, 38041240, 46888040, 50404643, 59299580, 100809286, 118599160, 201618572, 252023215, 403237144, 504046430, 1008092860, 2016185720]

約数ペア:

[(1, 2016185720), (2, 1008092860), (4, 504046430), (5, 403237144), (8, 252023215), (10, 201618572), (17, 118599160), (20, 100809286), (34, 59299580), (40, 50404643), (43, 46888040), (53, 38041240), (68, 29649790), (85, 23719832), (86, 23444020), (106, 19020620), (136, 14824895), (170, 11859916), (172, 11722010), (212, 9510310), (215, 9377608), (265, 7608248), (340, 5929958), (344, 5861005), (424, 4755155), (430, 4688804), (530, 3804124), (680, 2964979), (731, 2758120), (860, 2344402), (901, 2237720), (1060, 1902062), (1301, 1549720), (1462, 1379060), (1720, 1172201), (1802, 1118860), (2120, 951031), (2279, 884680), (2602, 774860), (2924, 689530), (3604, 559430), (3655, 551624), (4505, 447544), (4558, 442340), (5204, 387430), (5848, 344765), (6505, 309944), (7208, 279715), (7310, 275812), (9010, 223772), (9116, 221170), (10408, 193715), (11395, 176936), (13010, 154972), (14620, 137906), (18020, 111886), (18232, 110585), (22117, 91160), (22790, 88468), (26020, 77486), (29240, 68953), (36040, 55943), (38743, 52040), (44234, 45580)]