320492880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 1130927616

約数和(自身を除く): 810434736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 83, 90, 93, 120, 124, 144, 155, 166, 173, 180, 186, 240, 248, 249, 279, 310, 332, 346, 360, 372, 415, 465, 496, 498, 519, 558, 620, 664, 692, 720, 744, 747, 830, 865, 930, 996, 1038, 1116, 1240, 1245, 1328, 1384, 1395, 1488, 1494, 1557, 1660, 1730, 1860, 1992, 2076, 2232, 2480, 2490, 2573, 2595, 2768, 2790, 2988, 3114, 3320, 3460, 3720, 3735, 3984, 4152, 4464, 4980, 5146, 5190, 5363, 5580, 5976, 6228, 6640, 6920, 7440, 7470, 7719, 7785, 8304, 9960, 10292, 10380, 10726, 11160, 11952, 12456, 12865, 13840, 14359, 14940, 15438, 15570, 16089, 19920, 20584, 20760, 21452, 22320, 23157, 24912, 25730, 26815, 28718, 29880, 30876, 31140, 32178, 38595, 41168, 41520, 42904, 43077, 46314, 48267, 51460, 53630, 57436, 59760, 61752, 62280, 64356, 71795, 77190, 80445, 85808, 86154, 92628, 96534, 102920, 107260, 114872, 115785, 123504, 124560, 128712, 129231, 143590, 154380, 160890, 172308, 185256, 193068, 205840, 214520, 215385, 229744, 231570, 241335, 257424, 258462, 287180, 308760, 321780, 344616, 370512, 386136, 429040, 430770, 445129, 463140, 482670, 516924, 574360, 617520, 643560, 646155, 689232, 772272, 861540, 890258, 926280, 965340, 1033848, 1148720, 1287120, 1292310, 1335387, 1723080, 1780516, 1852560, 1930680, 2067696, 2225645, 2584620, 2670774, 3446160, 3561032, 3861360, 4006161, 4451290, 5169240, 5341548, 6676935, 7122064, 8012322, 8902580, 10338480, 10683096, 13353870, 16024644, 17805160, 20030805, 21366192, 26707740, 32049288, 35610320, 40061610, 53415480, 64098576, 80123220, 106830960, 160246440, 320492880]

約数ペア:

[(1, 320492880), (2, 160246440), (3, 106830960), (4, 80123220), (5, 64098576), (6, 53415480), (8, 40061610), (9, 35610320), (10, 32049288), (12, 26707740), (15, 21366192), (16, 20030805), (18, 17805160), (20, 16024644), (24, 13353870), (30, 10683096), (31, 10338480), (36, 8902580), (40, 8012322), (45, 7122064), (48, 6676935), (60, 5341548), (62, 5169240), (72, 4451290), (80, 4006161), (83, 3861360), (90, 3561032), (93, 3446160), (120, 2670774), (124, 2584620), (144, 2225645), (155, 2067696), (166, 1930680), (173, 1852560), (180, 1780516), (186, 1723080), (240, 1335387), (248, 1292310), (249, 1287120), (279, 1148720), (310, 1033848), (332, 965340), (346, 926280), (360, 890258), (372, 861540), (415, 772272), (465, 689232), (496, 646155), (498, 643560), (519, 617520), (558, 574360), (620, 516924), (664, 482670), (692, 463140), (720, 445129), (744, 430770), (747, 429040), (830, 386136), (865, 370512), (930, 344616), (996, 321780), (1038, 308760), (1116, 287180), (1240, 258462), (1245, 257424), (1328, 241335), (1384, 231570), (1395, 229744), (1488, 215385), (1494, 214520), (1557, 205840), (1660, 193068), (1730, 185256), (1860, 172308), (1992, 160890), (2076, 154380), (2232, 143590), (2480, 129231), (2490, 128712), (2573, 124560), (2595, 123504), (2768, 115785), (2790, 114872), (2988, 107260), (3114, 102920), (3320, 96534), (3460, 92628), (3720, 86154), (3735, 85808), (3984, 80445), (4152, 77190), (4464, 71795), (4980, 64356), (5146, 62280), (5190, 61752), (5363, 59760), (5580, 57436), (5976, 53630), (6228, 51460), (6640, 48267), (6920, 46314), (7440, 43077), (7470, 42904), (7719, 41520), (7785, 41168), (8304, 38595), (9960, 32178), (10292, 31140), (10380, 30876), (10726, 29880), (11160, 28718), (11952, 26815), (12456, 25730), (12865, 24912), (13840, 23157), (14359, 22320), (14940, 21452), (15438, 20760), (15570, 20584), (16089, 19920)]