77901840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:697

約数の個数: 120

約数和(自身を含む): 263262168

約数和(自身を除く): 185360328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 257, 360, 421, 514, 720, 771, 842, 1028, 1263, 1285, 1542, 1684, 2056, 2105, 2313, 2526, 2570, 3084, 3368, 3789, 3855, 4112, 4210, 4626, 5052, 5140, 6168, 6315, 6736, 7578, 7710, 8420, 9252, 10104, 10280, 11565, 12336, 12630, 15156, 15420, 16840, 18504, 18945, 20208, 20560, 23130, 25260, 30312, 30840, 33680, 37008, 37890, 46260, 50520, 60624, 61680, 75780, 92520, 101040, 108197, 151560, 185040, 216394, 303120, 324591, 432788, 540985, 649182, 865576, 973773, 1081970, 1298364, 1622955, 1731152, 1947546, 2163940, 2596728, 3245910, 3895092, 4327880, 4868865, 5193456, 6491820, 7790184, 8655760, 9737730, 12983640, 15580368, 19475460, 25967280, 38950920, 77901840]

約数ペア:

[(1, 77901840), (2, 38950920), (3, 25967280), (4, 19475460), (5, 15580368), (6, 12983640), (8, 9737730), (9, 8655760), (10, 7790184), (12, 6491820), (15, 5193456), (16, 4868865), (18, 4327880), (20, 3895092), (24, 3245910), (30, 2596728), (36, 2163940), (40, 1947546), (45, 1731152), (48, 1622955), (60, 1298364), (72, 1081970), (80, 973773), (90, 865576), (120, 649182), (144, 540985), (180, 432788), (240, 324591), (257, 303120), (360, 216394), (421, 185040), (514, 151560), (720, 108197), (771, 101040), (842, 92520), (1028, 75780), (1263, 61680), (1285, 60624), (1542, 50520), (1684, 46260), (2056, 37890), (2105, 37008), (2313, 33680), (2526, 30840), (2570, 30312), (3084, 25260), (3368, 23130), (3789, 20560), (3855, 20208), (4112, 18945), (4210, 18504), (4626, 16840), (5052, 15420), (5140, 15156), (6168, 12630), (6315, 12336), (6736, 11565), (7578, 10280), (7710, 10104), (8420, 9252)]