320894640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1368

約数の個数: 240

約数和(自身を含む): 1214493696

約数和(自身を除く): 893599056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 930, 990, 1023, 1116, 1240, 1307, 1320, 1364, 1395, 1488, 1584, 1705, 1860, 1980, 2046, 2232, 2480, 2614, 2640, 2728, 2790, 3069, 3410, 3720, 3921, 3960, 4092, 4464, 5115, 5228, 5456, 5580, 6138, 6535, 6820, 7440, 7842, 7920, 8184, 10230, 10456, 11160, 11763, 12276, 13070, 13640, 14377, 15345, 15684, 16368, 19605, 20460, 20912, 22320, 23526, 24552, 26140, 27280, 28754, 30690, 31368, 39210, 40517, 40920, 43131, 47052, 49104, 52280, 57508, 58815, 61380, 62736, 71885, 78420, 81034, 81840, 86262, 94104, 104560, 115016, 117630, 121551, 122760, 129393, 143770, 156840, 162068, 172524, 188208, 202585, 215655, 230032, 235260, 243102, 245520, 258786, 287540, 313680, 324136, 345048, 364653, 405170, 431310, 445687, 470520, 486204, 517572, 575080, 607755, 646965, 648272, 690096, 729306, 810340, 862620, 891374, 941040, 972408, 1035144, 1150160, 1215510, 1293930, 1337061, 1458612, 1620680, 1725240, 1782748, 1823265, 1944816, 2070288, 2228435, 2431020, 2587860, 2674122, 2917224, 3241360, 3450480, 3565496, 3646530, 4011183, 4456870, 4862040, 5175720, 5348244, 5834448, 6685305, 7130992, 7293060, 8022366, 8913740, 9724080, 10351440, 10696488, 13370610, 14586120, 16044732, 17827480, 20055915, 21392976, 26741220, 29172240, 32089464, 35654960, 40111830, 53482440, 64178928, 80223660, 106964880, 160447320, 320894640]

約数ペア:

[(1, 320894640), (2, 160447320), (3, 106964880), (4, 80223660), (5, 64178928), (6, 53482440), (8, 40111830), (9, 35654960), (10, 32089464), (11, 29172240), (12, 26741220), (15, 21392976), (16, 20055915), (18, 17827480), (20, 16044732), (22, 14586120), (24, 13370610), (30, 10696488), (31, 10351440), (33, 9724080), (36, 8913740), (40, 8022366), (44, 7293060), (45, 7130992), (48, 6685305), (55, 5834448), (60, 5348244), (62, 5175720), (66, 4862040), (72, 4456870), (80, 4011183), (88, 3646530), (90, 3565496), (93, 3450480), (99, 3241360), (110, 2917224), (120, 2674122), (124, 2587860), (132, 2431020), (144, 2228435), (155, 2070288), (165, 1944816), (176, 1823265), (180, 1782748), (186, 1725240), (198, 1620680), (220, 1458612), (240, 1337061), (248, 1293930), (264, 1215510), (279, 1150160), (310, 1035144), (330, 972408), (341, 941040), (360, 891374), (372, 862620), (396, 810340), (440, 729306), (465, 690096), (495, 648272), (496, 646965), (528, 607755), (558, 575080), (620, 517572), (660, 486204), (682, 470520), (720, 445687), (744, 431310), (792, 405170), (880, 364653), (930, 345048), (990, 324136), (1023, 313680), (1116, 287540), (1240, 258786), (1307, 245520), (1320, 243102), (1364, 235260), (1395, 230032), (1488, 215655), (1584, 202585), (1705, 188208), (1860, 172524), (1980, 162068), (2046, 156840), (2232, 143770), (2480, 129393), (2614, 122760), (2640, 121551), (2728, 117630), (2790, 115016), (3069, 104560), (3410, 94104), (3720, 86262), (3921, 81840), (3960, 81034), (4092, 78420), (4464, 71885), (5115, 62736), (5228, 61380), (5456, 58815), (5580, 57508), (6138, 52280), (6535, 49104), (6820, 47052), (7440, 43131), (7842, 40920), (7920, 40517), (8184, 39210), (10230, 31368), (10456, 30690), (11160, 28754), (11763, 27280), (12276, 26140), (13070, 24552), (13640, 23526), (14377, 22320), (15345, 20912), (15684, 20460), (16368, 19605)]