156431940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19603}}^1$

素因数の和:19641

約数の個数: 96

約数和(自身を含む): 526955520

約数和(自身を除く): 370523580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 19603, 39206, 58809, 78412, 98015, 117618, 137221, 196030, 235236, 274442, 294045, 372457, 392060, 411663, 548884, 588090, 686105, 744914, 823326, 1117371, 1176180, 1372210, 1489828, 1646652, 1862285, 2058315, 2234742, 2607199, 2744420, 3724570, 4116630, 4469484, 5214398, 5586855, 7449140, 7821597, 8233260, 10428796, 11173710, 13035995, 15643194, 22347420, 26071990, 31286388, 39107985, 52143980, 78215970, 156431940]

約数ペア:

[(1, 156431940), (2, 78215970), (3, 52143980), (4, 39107985), (5, 31286388), (6, 26071990), (7, 22347420), (10, 15643194), (12, 13035995), (14, 11173710), (15, 10428796), (19, 8233260), (20, 7821597), (21, 7449140), (28, 5586855), (30, 5214398), (35, 4469484), (38, 4116630), (42, 3724570), (57, 2744420), (60, 2607199), (70, 2234742), (76, 2058315), (84, 1862285), (95, 1646652), (105, 1489828), (114, 1372210), (133, 1176180), (140, 1117371), (190, 823326), (210, 744914), (228, 686105), (266, 588090), (285, 548884), (380, 411663), (399, 392060), (420, 372457), (532, 294045), (570, 274442), (665, 235236), (798, 196030), (1140, 137221), (1330, 117618), (1596, 98015), (1995, 78412), (2660, 58809), (3990, 39206), (7980, 19603)]