781282080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{542557}}^1$

素因数の和:542578

約数の個数: 72

約数和(自身を含む): 2666130012

約数和(自身を除く): 1884847932

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 542557, 1085114, 1627671, 2170228, 2712785, 3255342, 4340456, 4883013, 5425570, 6510684, 8138355, 8680912, 9766026, 10851140, 13021368, 16276710, 17361824, 19532052, 21702280, 24415065, 26042736, 32553420, 39064104, 43404560, 48830130, 52085472, 65106840, 78128208, 86809120, 97660260, 130213680, 156256416, 195320520, 260427360, 390641040, 781282080]

約数ペア:

[(1, 781282080), (2, 390641040), (3, 260427360), (4, 195320520), (5, 156256416), (6, 130213680), (8, 97660260), (9, 86809120), (10, 78128208), (12, 65106840), (15, 52085472), (16, 48830130), (18, 43404560), (20, 39064104), (24, 32553420), (30, 26042736), (32, 24415065), (36, 21702280), (40, 19532052), (45, 17361824), (48, 16276710), (60, 13021368), (72, 10851140), (80, 9766026), (90, 8680912), (96, 8138355), (120, 6510684), (144, 5425570), (160, 4883013), (180, 4340456), (240, 3255342), (288, 2712785), (360, 2170228), (480, 1627671), (720, 1085114), (1440, 542557)]