251459460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8677}}^1$

素因数の和:8722

約数の個数: 144

約数和(自身を含む): 909732096

約数和(自身を除く): 658272636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4830, 5796, 7245, 8677, 9660, 14490, 17354, 26031, 28980, 34708, 43385, 52062, 60739, 78093, 86770, 104124, 121478, 130155, 156186, 173540, 182217, 199571, 242956, 260310, 303695, 312372, 364434, 390465, 399142, 520620, 546651, 598713, 607390, 728868, 780930, 798284, 911085, 997855, 1093302, 1197426, 1214780, 1396997, 1561860, 1796139, 1822170, 1995710, 2186604, 2394852, 2733255, 2793994, 2993565, 3592278, 3644340, 3991420, 4190991, 5466510, 5587988, 5987130, 6984985, 7184556, 8381982, 8980695, 10933020, 11974260, 12572973, 13969970, 16763964, 17961390, 20954955, 25145946, 27939940, 35922780, 41909910, 50291892, 62864865, 83819820, 125729730, 251459460]

約数ペア:

[(1, 251459460), (2, 125729730), (3, 83819820), (4, 62864865), (5, 50291892), (6, 41909910), (7, 35922780), (9, 27939940), (10, 25145946), (12, 20954955), (14, 17961390), (15, 16763964), (18, 13969970), (20, 12572973), (21, 11974260), (23, 10933020), (28, 8980695), (30, 8381982), (35, 7184556), (36, 6984985), (42, 5987130), (45, 5587988), (46, 5466510), (60, 4190991), (63, 3991420), (69, 3644340), (70, 3592278), (84, 2993565), (90, 2793994), (92, 2733255), (105, 2394852), (115, 2186604), (126, 1995710), (138, 1822170), (140, 1796139), (161, 1561860), (180, 1396997), (207, 1214780), (210, 1197426), (230, 1093302), (252, 997855), (276, 911085), (315, 798284), (322, 780930), (345, 728868), (414, 607390), (420, 598713), (460, 546651), (483, 520620), (630, 399142), (644, 390465), (690, 364434), (805, 312372), (828, 303695), (966, 260310), (1035, 242956), (1260, 199571), (1380, 182217), (1449, 173540), (1610, 156186), (1932, 130155), (2070, 121478), (2415, 104124), (2898, 86770), (3220, 78093), (4140, 60739), (4830, 52062), (5796, 43385), (7245, 34708), (8677, 28980), (9660, 26031), (14490, 17354)]