13271720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 38707200

約数和(自身を除く): 25435480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 139, 140, 154, 155, 217, 220, 248, 278, 280, 308, 310, 341, 385, 434, 440, 556, 616, 620, 682, 695, 770, 868, 973, 1085, 1112, 1240, 1364, 1390, 1529, 1540, 1705, 1736, 1946, 2170, 2387, 2728, 2780, 3058, 3080, 3410, 3892, 4309, 4340, 4774, 4865, 5560, 6116, 6820, 7645, 7784, 8618, 8680, 9548, 9730, 10703, 11935, 12232, 13640, 15290, 17236, 19096, 19460, 21406, 21545, 23870, 30163, 30580, 34472, 38920, 42812, 43090, 47399, 47740, 53515, 60326, 61160, 85624, 86180, 94798, 95480, 107030, 120652, 150815, 172360, 189596, 214060, 236995, 241304, 301630, 331793, 379192, 428120, 473990, 603260, 663586, 947980, 1206520, 1327172, 1658965, 1895960, 2654344, 3317930, 6635860, 13271720]

約数ペア:

[(1, 13271720), (2, 6635860), (4, 3317930), (5, 2654344), (7, 1895960), (8, 1658965), (10, 1327172), (11, 1206520), (14, 947980), (20, 663586), (22, 603260), (28, 473990), (31, 428120), (35, 379192), (40, 331793), (44, 301630), (55, 241304), (56, 236995), (62, 214060), (70, 189596), (77, 172360), (88, 150815), (110, 120652), (124, 107030), (139, 95480), (140, 94798), (154, 86180), (155, 85624), (217, 61160), (220, 60326), (248, 53515), (278, 47740), (280, 47399), (308, 43090), (310, 42812), (341, 38920), (385, 34472), (434, 30580), (440, 30163), (556, 23870), (616, 21545), (620, 21406), (682, 19460), (695, 19096), (770, 17236), (868, 15290), (973, 13640), (1085, 12232), (1112, 11935), (1240, 10703), (1364, 9730), (1390, 9548), (1529, 8680), (1540, 8618), (1705, 7784), (1736, 7645), (1946, 6820), (2170, 6116), (2387, 5560), (2728, 4865), (2780, 4774), (3058, 4340), (3080, 4309), (3410, 3892)]