331888480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 1029611520

約数和(自身を除く): 697723040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 79, 80, 88, 110, 112, 121, 124, 140, 154, 155, 158, 160, 176, 217, 220, 224, 242, 248, 280, 308, 310, 316, 341, 352, 385, 395, 434, 440, 484, 496, 553, 560, 605, 616, 620, 632, 682, 770, 790, 847, 868, 869, 880, 968, 992, 1085, 1106, 1120, 1210, 1232, 1240, 1264, 1364, 1540, 1580, 1694, 1705, 1736, 1738, 1760, 1936, 2170, 2212, 2387, 2420, 2449, 2464, 2480, 2528, 2728, 2765, 3080, 3160, 3388, 3410, 3472, 3476, 3751, 3872, 4235, 4340, 4345, 4424, 4774, 4840, 4898, 4960, 5456, 5530, 6083, 6160, 6320, 6776, 6820, 6944, 6952, 7502, 8470, 8680, 8690, 8848, 9548, 9559, 9680, 9796, 10912, 11060, 11935, 12166, 12245, 12320, 12640, 13552, 13640, 13904, 15004, 16940, 17143, 17360, 17380, 17696, 18755, 19096, 19118, 19360, 19592, 22120, 23870, 24332, 24490, 26257, 26939, 27104, 27280, 27808, 30008, 30415, 33880, 34286, 34720, 34760, 37510, 38192, 38236, 39184, 44240, 47740, 47795, 48664, 48980, 52514, 53878, 54560, 60016, 60830, 66913, 67760, 68572, 69520, 75020, 76384, 76472, 78368, 85715, 88480, 95480, 95590, 97328, 97960, 105028, 107756, 120032, 121660, 131285, 133826, 134695, 135520, 137144, 139040, 150040, 152944, 171430, 188573, 190960, 191180, 194656, 195920, 210056, 215512, 243320, 262570, 267652, 269390, 274288, 296329, 300080, 305888, 334565, 342860, 377146, 381920, 382360, 391840, 420112, 431024, 486640, 525140, 535304, 538780, 548576, 592658, 600160, 669130, 685720, 754292, 764720, 840224, 862048, 942865, 973280, 1050280, 1070608, 1077560, 1185316, 1338260, 1371440, 1481645, 1508584, 1529440, 1885730, 2074303, 2100560, 2141216, 2155120, 2370632, 2676520, 2742880, 2963290, 3017168, 3771460, 4148606, 4201120, 4310240, 4741264, 5353040, 5926580, 6034336, 7542920, 8297212, 9482528, 10371515, 10706080, 11853160, 15085840, 16594424, 20743030, 23706320, 30171680, 33188848, 41486060, 47412640, 66377696, 82972120, 165944240, 331888480]

約数ペア:

[(1, 331888480), (2, 165944240), (4, 82972120), (5, 66377696), (7, 47412640), (8, 41486060), (10, 33188848), (11, 30171680), (14, 23706320), (16, 20743030), (20, 16594424), (22, 15085840), (28, 11853160), (31, 10706080), (32, 10371515), (35, 9482528), (40, 8297212), (44, 7542920), (55, 6034336), (56, 5926580), (62, 5353040), (70, 4741264), (77, 4310240), (79, 4201120), (80, 4148606), (88, 3771460), (110, 3017168), (112, 2963290), (121, 2742880), (124, 2676520), (140, 2370632), (154, 2155120), (155, 2141216), (158, 2100560), (160, 2074303), (176, 1885730), (217, 1529440), (220, 1508584), (224, 1481645), (242, 1371440), (248, 1338260), (280, 1185316), (308, 1077560), (310, 1070608), (316, 1050280), (341, 973280), (352, 942865), (385, 862048), (395, 840224), (434, 764720), (440, 754292), (484, 685720), (496, 669130), (553, 600160), (560, 592658), (605, 548576), (616, 538780), (620, 535304), (632, 525140), (682, 486640), (770, 431024), (790, 420112), (847, 391840), (868, 382360), (869, 381920), (880, 377146), (968, 342860), (992, 334565), (1085, 305888), (1106, 300080), (1120, 296329), (1210, 274288), (1232, 269390), (1240, 267652), (1264, 262570), (1364, 243320), (1540, 215512), (1580, 210056), (1694, 195920), (1705, 194656), (1736, 191180), (1738, 190960), (1760, 188573), (1936, 171430), (2170, 152944), (2212, 150040), (2387, 139040), (2420, 137144), (2449, 135520), (2464, 134695), (2480, 133826), (2528, 131285), (2728, 121660), (2765, 120032), (3080, 107756), (3160, 105028), (3388, 97960), (3410, 97328), (3472, 95590), (3476, 95480), (3751, 88480), (3872, 85715), (4235, 78368), (4340, 76472), (4345, 76384), (4424, 75020), (4774, 69520), (4840, 68572), (4898, 67760), (4960, 66913), (5456, 60830), (5530, 60016), (6083, 54560), (6160, 53878), (6320, 52514), (6776, 48980), (6820, 48664), (6944, 47795), (6952, 47740), (7502, 44240), (8470, 39184), (8680, 38236), (8690, 38192), (8848, 37510), (9548, 34760), (9559, 34720), (9680, 34286), (9796, 33880), (10912, 30415), (11060, 30008), (11935, 27808), (12166, 27280), (12245, 27104), (12320, 26939), (12640, 26257), (13552, 24490), (13640, 24332), (13904, 23870), (15004, 22120), (16940, 19592), (17143, 19360), (17360, 19118), (17380, 19096), (17696, 18755)]