280143720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12757}}^1$

素因数の和:12835

約数の個数: 96

約数和(自身を含む): 925465320

約数和(自身を除く): 645321600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 4392, 5490, 7320, 10980, 12757, 21960, 25514, 38271, 51028, 63785, 76542, 102056, 114813, 127570, 153084, 191355, 229626, 255140, 306168, 382710, 459252, 510280, 574065, 765420, 778177, 918504, 1148130, 1530840, 1556354, 2296260, 2334531, 3112708, 3890885, 4592520, 4669062, 6225416, 7003593, 7781770, 9338124, 11672655, 14007186, 15563540, 18676248, 23345310, 28014372, 31127080, 35017965, 46690620, 56028744, 70035930, 93381240, 140071860, 280143720]

約数ペア:

[(1, 280143720), (2, 140071860), (3, 93381240), (4, 70035930), (5, 56028744), (6, 46690620), (8, 35017965), (9, 31127080), (10, 28014372), (12, 23345310), (15, 18676248), (18, 15563540), (20, 14007186), (24, 11672655), (30, 9338124), (36, 7781770), (40, 7003593), (45, 6225416), (60, 4669062), (61, 4592520), (72, 3890885), (90, 3112708), (120, 2334531), (122, 2296260), (180, 1556354), (183, 1530840), (244, 1148130), (305, 918504), (360, 778177), (366, 765420), (488, 574065), (549, 510280), (610, 459252), (732, 382710), (915, 306168), (1098, 255140), (1220, 229626), (1464, 191355), (1830, 153084), (2196, 127570), (2440, 114813), (2745, 102056), (3660, 76542), (4392, 63785), (5490, 51028), (7320, 38271), (10980, 25514), (12757, 21960)]