80857140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 284497920

約数和(自身を除く): 203640780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 59, 60, 65, 70, 78, 84, 91, 105, 118, 130, 140, 156, 177, 182, 195, 210, 236, 251, 260, 273, 295, 354, 364, 390, 413, 420, 455, 502, 546, 590, 708, 753, 767, 780, 826, 885, 910, 1004, 1092, 1180, 1239, 1255, 1365, 1506, 1534, 1652, 1757, 1770, 1820, 2065, 2301, 2478, 2510, 2730, 3012, 3068, 3263, 3514, 3540, 3765, 3835, 4130, 4602, 4956, 5020, 5271, 5369, 5460, 6195, 6526, 7028, 7530, 7670, 8260, 8785, 9204, 9789, 10542, 10738, 11505, 12390, 13052, 14809, 15060, 15340, 16107, 16315, 17570, 19578, 21084, 21476, 22841, 23010, 24780, 26355, 26845, 29618, 32214, 32630, 35140, 39156, 44427, 45682, 46020, 48945, 52710, 53690, 59236, 64428, 65260, 68523, 74045, 80535, 88854, 91364, 97890, 103663, 105420, 107380, 114205, 137046, 148090, 161070, 177708, 192517, 195780, 207326, 222135, 228410, 274092, 296180, 310989, 322140, 342615, 385034, 414652, 444270, 456820, 518315, 577551, 621978, 685230, 770068, 888540, 962585, 1036630, 1155102, 1243956, 1347619, 1370460, 1554945, 1925170, 2073260, 2310204, 2695238, 2887755, 3109890, 3850340, 4042857, 5390476, 5775510, 6219780, 6738095, 8085714, 11551020, 13476190, 16171428, 20214285, 26952380, 40428570, 80857140]

約数ペア:

[(1, 80857140), (2, 40428570), (3, 26952380), (4, 20214285), (5, 16171428), (6, 13476190), (7, 11551020), (10, 8085714), (12, 6738095), (13, 6219780), (14, 5775510), (15, 5390476), (20, 4042857), (21, 3850340), (26, 3109890), (28, 2887755), (30, 2695238), (35, 2310204), (39, 2073260), (42, 1925170), (52, 1554945), (59, 1370460), (60, 1347619), (65, 1243956), (70, 1155102), (78, 1036630), (84, 962585), (91, 888540), (105, 770068), (118, 685230), (130, 621978), (140, 577551), (156, 518315), (177, 456820), (182, 444270), (195, 414652), (210, 385034), (236, 342615), (251, 322140), (260, 310989), (273, 296180), (295, 274092), (354, 228410), (364, 222135), (390, 207326), (413, 195780), (420, 192517), (455, 177708), (502, 161070), (546, 148090), (590, 137046), (708, 114205), (753, 107380), (767, 105420), (780, 103663), (826, 97890), (885, 91364), (910, 88854), (1004, 80535), (1092, 74045), (1180, 68523), (1239, 65260), (1255, 64428), (1365, 59236), (1506, 53690), (1534, 52710), (1652, 48945), (1757, 46020), (1770, 45682), (1820, 44427), (2065, 39156), (2301, 35140), (2478, 32630), (2510, 32214), (2730, 29618), (3012, 26845), (3068, 26355), (3263, 24780), (3514, 23010), (3540, 22841), (3765, 21476), (3835, 21084), (4130, 19578), (4602, 17570), (4956, 16315), (5020, 16107), (5271, 15340), (5369, 15060), (5460, 14809), (6195, 13052), (6526, 12390), (7028, 11505), (7530, 10738), (7670, 10542), (8260, 9789), (8785, 9204)]