312983440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 949939200

約数和(自身を除く): 636955760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 121, 124, 140, 149, 154, 155, 176, 217, 220, 242, 248, 280, 298, 308, 310, 341, 385, 434, 440, 484, 496, 560, 596, 605, 616, 620, 682, 745, 770, 847, 868, 880, 968, 1043, 1085, 1192, 1210, 1232, 1240, 1364, 1490, 1540, 1639, 1694, 1705, 1736, 1936, 2086, 2170, 2384, 2387, 2420, 2480, 2728, 2980, 3080, 3278, 3388, 3410, 3472, 3751, 4172, 4235, 4340, 4619, 4774, 4840, 5215, 5456, 5960, 6160, 6556, 6776, 6820, 7502, 8195, 8344, 8470, 8680, 9238, 9548, 9680, 10430, 11473, 11920, 11935, 13112, 13552, 13640, 15004, 16390, 16688, 16940, 17360, 18029, 18476, 18755, 19096, 20860, 22946, 23095, 23870, 26224, 26257, 27280, 30008, 32333, 32780, 33880, 36058, 36952, 37510, 38192, 41720, 45892, 46190, 47740, 50809, 52514, 57365, 60016, 64666, 65560, 67760, 72116, 73904, 75020, 83440, 90145, 91784, 92380, 95480, 101618, 105028, 114730, 126203, 129332, 131120, 131285, 144232, 150040, 161665, 180290, 183568, 184760, 190960, 203236, 210056, 229460, 252406, 254045, 258664, 262570, 288464, 300080, 323330, 355663, 360580, 369520, 406472, 420112, 458920, 504812, 508090, 517328, 525140, 558899, 631015, 646660, 711326, 721160, 812944, 917840, 1009624, 1016180, 1050280, 1117798, 1262030, 1293320, 1422652, 1442320, 1778315, 2019248, 2032360, 2100560, 2235596, 2524060, 2586640, 2794495, 2845304, 3556630, 3912293, 4064720, 4471192, 5048120, 5588990, 5690608, 7113260, 7824586, 8942384, 10096240, 11177980, 14226520, 15649172, 19561465, 22355960, 28453040, 31298344, 39122930, 44711920, 62596688, 78245860, 156491720, 312983440]

約数ペア:

[(1, 312983440), (2, 156491720), (4, 78245860), (5, 62596688), (7, 44711920), (8, 39122930), (10, 31298344), (11, 28453040), (14, 22355960), (16, 19561465), (20, 15649172), (22, 14226520), (28, 11177980), (31, 10096240), (35, 8942384), (40, 7824586), (44, 7113260), (55, 5690608), (56, 5588990), (62, 5048120), (70, 4471192), (77, 4064720), (80, 3912293), (88, 3556630), (110, 2845304), (112, 2794495), (121, 2586640), (124, 2524060), (140, 2235596), (149, 2100560), (154, 2032360), (155, 2019248), (176, 1778315), (217, 1442320), (220, 1422652), (242, 1293320), (248, 1262030), (280, 1117798), (298, 1050280), (308, 1016180), (310, 1009624), (341, 917840), (385, 812944), (434, 721160), (440, 711326), (484, 646660), (496, 631015), (560, 558899), (596, 525140), (605, 517328), (616, 508090), (620, 504812), (682, 458920), (745, 420112), (770, 406472), (847, 369520), (868, 360580), (880, 355663), (968, 323330), (1043, 300080), (1085, 288464), (1192, 262570), (1210, 258664), (1232, 254045), (1240, 252406), (1364, 229460), (1490, 210056), (1540, 203236), (1639, 190960), (1694, 184760), (1705, 183568), (1736, 180290), (1936, 161665), (2086, 150040), (2170, 144232), (2384, 131285), (2387, 131120), (2420, 129332), (2480, 126203), (2728, 114730), (2980, 105028), (3080, 101618), (3278, 95480), (3388, 92380), (3410, 91784), (3472, 90145), (3751, 83440), (4172, 75020), (4235, 73904), (4340, 72116), (4619, 67760), (4774, 65560), (4840, 64666), (5215, 60016), (5456, 57365), (5960, 52514), (6160, 50809), (6556, 47740), (6776, 46190), (6820, 45892), (7502, 41720), (8195, 38192), (8344, 37510), (8470, 36952), (8680, 36058), (9238, 33880), (9548, 32780), (9680, 32333), (10430, 30008), (11473, 27280), (11920, 26257), (11935, 26224), (13112, 23870), (13552, 23095), (13640, 22946), (15004, 20860), (16390, 19096), (16688, 18755), (16940, 18476), (17360, 18029)]