202978680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 640120320

約数和(自身を除く): 437141640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 251, 276, 293, 345, 460, 502, 552, 586, 690, 753, 879, 920, 1004, 1172, 1255, 1380, 1465, 1506, 1758, 2008, 2344, 2510, 2760, 2930, 3012, 3516, 3765, 4395, 5020, 5773, 5860, 6024, 6739, 7032, 7530, 8790, 10040, 11546, 11720, 13478, 15060, 17319, 17580, 20217, 23092, 26956, 28865, 30120, 33695, 34638, 35160, 40434, 46184, 53912, 57730, 67390, 69276, 73543, 80868, 86595, 101085, 115460, 134780, 138552, 147086, 161736, 173190, 202170, 220629, 230920, 269560, 294172, 346380, 367715, 404340, 441258, 588344, 692760, 735430, 808680, 882516, 1103145, 1470860, 1691489, 1765032, 2206290, 2941720, 3382978, 4412580, 5074467, 6765956, 8457445, 8825160, 10148934, 13531912, 16914890, 20297868, 25372335, 33829780, 40595736, 50744670, 67659560, 101489340, 202978680]

約数ペア:

[(1, 202978680), (2, 101489340), (3, 67659560), (4, 50744670), (5, 40595736), (6, 33829780), (8, 25372335), (10, 20297868), (12, 16914890), (15, 13531912), (20, 10148934), (23, 8825160), (24, 8457445), (30, 6765956), (40, 5074467), (46, 4412580), (60, 3382978), (69, 2941720), (92, 2206290), (115, 1765032), (120, 1691489), (138, 1470860), (184, 1103145), (230, 882516), (251, 808680), (276, 735430), (293, 692760), (345, 588344), (460, 441258), (502, 404340), (552, 367715), (586, 346380), (690, 294172), (753, 269560), (879, 230920), (920, 220629), (1004, 202170), (1172, 173190), (1255, 161736), (1380, 147086), (1465, 138552), (1506, 134780), (1758, 115460), (2008, 101085), (2344, 86595), (2510, 80868), (2760, 73543), (2930, 69276), (3012, 67390), (3516, 57730), (3765, 53912), (4395, 46184), (5020, 40434), (5773, 35160), (5860, 34638), (6024, 33695), (6739, 30120), (7032, 28865), (7530, 26956), (8790, 23092), (10040, 20217), (11546, 17580), (11720, 17319), (13478, 15060)]