1257976020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{427883}}^1$

素因数の和:427909

約数の個数: 72

約数和(自身を含む): 4097417184

約数和(自身を除く): 2839441164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 427883, 855766, 1283649, 1711532, 2139415, 2567298, 2995181, 4278830, 5134596, 5990362, 6418245, 8557660, 8985543, 11980724, 12836490, 14975905, 17971086, 20966267, 25672980, 29951810, 35942172, 41932534, 44927715, 59903620, 62898801, 83865068, 89855430, 104831335, 125797602, 179710860, 209662670, 251595204, 314494005, 419325340, 628988010, 1257976020]

約数ペア:

[(1, 1257976020), (2, 628988010), (3, 419325340), (4, 314494005), (5, 251595204), (6, 209662670), (7, 179710860), (10, 125797602), (12, 104831335), (14, 89855430), (15, 83865068), (20, 62898801), (21, 59903620), (28, 44927715), (30, 41932534), (35, 35942172), (42, 29951810), (49, 25672980), (60, 20966267), (70, 17971086), (84, 14975905), (98, 12836490), (105, 11980724), (140, 8985543), (147, 8557660), (196, 6418245), (210, 5990362), (245, 5134596), (294, 4278830), (420, 2995181), (490, 2567298), (588, 2139415), (735, 1711532), (980, 1283649), (1470, 855766), (2940, 427883)]