1321255440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1637}}^1$

素因数の和:1734

約数の個数: 240

約数和(自身を含む): 4752820800

約数和(自身を除く): 3431565360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 59, 60, 72, 76, 80, 90, 95, 114, 118, 120, 144, 152, 171, 177, 180, 190, 228, 236, 240, 285, 295, 304, 342, 354, 360, 380, 456, 472, 531, 570, 590, 684, 708, 720, 760, 855, 885, 912, 944, 1062, 1121, 1140, 1180, 1368, 1416, 1520, 1637, 1710, 1770, 2124, 2242, 2280, 2360, 2655, 2736, 2832, 3274, 3363, 3420, 3540, 4248, 4484, 4560, 4720, 4911, 5310, 5605, 6548, 6726, 6840, 7080, 8185, 8496, 8968, 9822, 10089, 10620, 11210, 13096, 13452, 13680, 14160, 14733, 16370, 16815, 17936, 19644, 20178, 21240, 22420, 24555, 26192, 26904, 29466, 31103, 32740, 33630, 39288, 40356, 42480, 44840, 49110, 50445, 53808, 58932, 62206, 65480, 67260, 73665, 78576, 80712, 89680, 93309, 96583, 98220, 100890, 117864, 124412, 130960, 134520, 147330, 155515, 161424, 186618, 193166, 196440, 201780, 235728, 248824, 269040, 279927, 289749, 294660, 311030, 373236, 386332, 392880, 403560, 466545, 482915, 497648, 559854, 579498, 589320, 622060, 746472, 772664, 807120, 869247, 933090, 965830, 1119708, 1158996, 1178640, 1244120, 1399635, 1448745, 1492944, 1545328, 1738494, 1835077, 1866180, 1931660, 2239416, 2317992, 2488240, 2799270, 2897490, 3476988, 3670154, 3732360, 3863320, 4346235, 4478832, 4635984, 5505231, 5598540, 5794980, 6953976, 7340308, 7464720, 7726640, 8692470, 9175385, 11010462, 11197080, 11589960, 13907952, 14680616, 16515693, 17384940, 18350770, 22020924, 22394160, 23179920, 27526155, 29361232, 33031386, 34769880, 36701540, 44041848, 55052310, 66062772, 69539760, 73403080, 82578465, 88083696, 110104620, 132125544, 146806160, 165156930, 220209240, 264251088, 330313860, 440418480, 660627720, 1321255440]

約数ペア:

[(1, 1321255440), (2, 660627720), (3, 440418480), (4, 330313860), (5, 264251088), (6, 220209240), (8, 165156930), (9, 146806160), (10, 132125544), (12, 110104620), (15, 88083696), (16, 82578465), (18, 73403080), (19, 69539760), (20, 66062772), (24, 55052310), (30, 44041848), (36, 36701540), (38, 34769880), (40, 33031386), (45, 29361232), (48, 27526155), (57, 23179920), (59, 22394160), (60, 22020924), (72, 18350770), (76, 17384940), (80, 16515693), (90, 14680616), (95, 13907952), (114, 11589960), (118, 11197080), (120, 11010462), (144, 9175385), (152, 8692470), (171, 7726640), (177, 7464720), (180, 7340308), (190, 6953976), (228, 5794980), (236, 5598540), (240, 5505231), (285, 4635984), (295, 4478832), (304, 4346235), (342, 3863320), (354, 3732360), (360, 3670154), (380, 3476988), (456, 2897490), (472, 2799270), (531, 2488240), (570, 2317992), (590, 2239416), (684, 1931660), (708, 1866180), (720, 1835077), (760, 1738494), (855, 1545328), (885, 1492944), (912, 1448745), (944, 1399635), (1062, 1244120), (1121, 1178640), (1140, 1158996), (1180, 1119708), (1368, 965830), (1416, 933090), (1520, 869247), (1637, 807120), (1710, 772664), (1770, 746472), (2124, 622060), (2242, 589320), (2280, 579498), (2360, 559854), (2655, 497648), (2736, 482915), (2832, 466545), (3274, 403560), (3363, 392880), (3420, 386332), (3540, 373236), (4248, 311030), (4484, 294660), (4560, 289749), (4720, 279927), (4911, 269040), (5310, 248824), (5605, 235728), (6548, 201780), (6726, 196440), (6840, 193166), (7080, 186618), (8185, 161424), (8496, 155515), (8968, 147330), (9822, 134520), (10089, 130960), (10620, 124412), (11210, 117864), (13096, 100890), (13452, 98220), (13680, 96583), (14160, 93309), (14733, 89680), (16370, 80712), (16815, 78576), (17936, 73665), (19644, 67260), (20178, 65480), (21240, 62206), (22420, 58932), (24555, 53808), (26192, 50445), (26904, 49110), (29466, 44840), (31103, 42480), (32740, 40356), (33630, 39288)]